Database of protein sequence alignments: PIR-ALN (2007)
Geetha Y. Srinivasarao, Christopher R. Marzec, Bruce C. Orcutt, Winona C. Barker, Friedhelm Pfeiffer
The Protein Information Resource (PIR) has been maintaining a database of curated protein sequence alignments since 1991. The collection includes superfamily, family and homology domain alignments....
Winona C. Barker, John S. Garavelli, Peter B. Mcgarvey, Christopher R. Marzec, Bruce C. Orcutt, Geetha Y. Srinivasarao, ...
The Protein Information Resource (PIR;
Winona C. Barker, John S. Garavelli, Zhenglin Hou, Hongzhan Huang, Robert S. Ledley, Peter B. Mcgarvey, ...
Winona C. Barker, John S. Garavelli, Hongzhan Huang, Peter B. Mcgarvey, Bruce C. Orcutt, Geetha Y. Srinivasarao, ...
The Protein Information Resource (PIR) produces the largest, most comprehensive, annotated protein sequence database in the public domain, the PIRInternational Protein Sequence Database, in...
Distributional effects of the high school degree in Germany (2007)
Gernandt, Johannes, Maier, Michael, Pfeiffer, Friedhelm, Rat-Wirtzler, Julie
This paper investigates the impact of a high school degree on the wage distribution in the period from 1984 to 2004 in Germany. In that period the share of male workers with a high school degree...
Bolhuis, Henk, Palm, Peter, Wende, Andy, Falb, Michaela, Rampp, Markus, Rodriguez-Valera, Francisco, ...
Abstract Background The square halophilic archaeon Haloquadratum walsbyi dominates NaCl-saturated and MgCl 2 enriched aquatic ecosystems, which imposes a serious desiccation stress, caused by the...
Bolhuis, Henk, Palm, Peter, Wende, Andy, Falb, Michaela, Rampp, Markus, Rodriguez-Valera, Francisco, ...
Rising Wage Inequality in Germany (2006)
Gernandt, Johannes, Pfeiffer, Friedhelm
This paper investigates the evolution of wages and the recent tendency to rising wage inequality in Germany, based on the German Socio-Economic Panel (GSOEP) for 1984 to 2004. Between 1984 and 1994...
Abschreibungsraten allgemeiner und beruflicher Ausbildungsinhalte (2005)
Ludwig, Volker, Pfeiffer, Friedhelm
In dieser Arbeit werden Abschreibungsraten allgemeiner und beruflicher Ausbildungsinhalte im Erwerbsleben untersucht. Es wird analysiert, ob die Ausbildungsinhalte des Dualen Ausbildungssystems im...
Einstiegslöhne bei unvollkommenen Arbeitsmärkten (2005)
Gernandt, Johannes, Pfeiffer, Friedhelm
In der vorliegenden Arbeit werden die Bestimmungsgründe von Einstiegslöhnen, sowie das Ausmaß von Lohnrigiditäten und der daraus abgeleiteten Höhe der Lohnaufschwemmung in der Gruppe der...
Living with two extremes: Conclusions from the genome sequence of Natronomonas pharaonis (2005)
Falb, Michaela, Pfeiffer, Friedhelm, Palm, Peter, Rodewald, Karin, Hickmann, Volker, Tittor, Jörg, ...
Natronomonas pharaonis is an extremely haloalkaliphilic archaeon that was isolated from salt-saturated lakes of pH 11. We sequenced its 2.6-Mb GC-rich chromosome and two plasmids (131 and 23 kb)....
Living with two extremes: Conclusions from the genome sequence of Natronomonas pharaonis (2005)
Falb, Michaela, Pfeiffer, Friedhelm, Palm, Peter, Rodewald, Karin, Hickmann, Volker, Tittor, Jörg, ...
Natronomonas pharaonis is an extremely haloalkaliphilic archaeon that was isolated from salt-saturated lakes of pH 11. We sequenced its 2.6-Mb GC-rich chromosome and two plasmids (131 and 23 kb)....
Human Capital and Innovation in East and West-German Manufacturing Firms (2004)
The paper analyses the theoretical and empirical relationship between employment, skill structure and innovation in East and West German manufacturing firms. The econometric part builds on firm data...
Almus, Matthias, Egeln, Jürgen, Lechner, Michael, Pfeiffer, Friedhelm, Spengler, Hannes
Dieser Beitrag stellt ausgewählte Ergebnisse des vom Zentrum für Europäische Wirtschaftsforschung (ZEW) im Auftrag des IAB und des Ministeriums für Arbeit und Soziales Rheinland-Pfalz...
Berufliche Weiterbildung und Existenzgründung (2004)
Pfeiffer, Friedhelm, Reize, Frank
In Deutschland werden vielfach hohe Anforderungen an die berufliche Qualifikation von Existenzgründern gestellt. Im Handwerk, aber auch in bestimmten freiberuflich organisierten Tätigkeitsbereichen...
Über das Potential an Existenzgründern in Deutschland gibt es wenige verläßlicheZahlen. Dieses Potential hängt entscheidend von der Attraktivität und Verfügbarkeit von Arbeitnehmerstellen als...
Pfeiffer, Friedhelm, Rennings, Klaus
The study assesses net employment effects of technical progress which can be expected by the ongoing transition from end-of-pipe technologies towards cleaner production. Empirical evidence is...
Lechner, Michael, Pfeiffer, Friedhelm, Spengler, Hannes, Almus, Matthias
The paper presents an econometric evaluation of the effects of subsidised non-profit temporary employment agencies - a programme of the West German active labour market policy - on individual labour...
Pfeiffer, Friedhelm, Reize, Frank
Investitionen in Weiterbildung werden typischerweise durch die erwartete Zunahme individueller Fähigkeiten motiviert. In dieser Arbeit wird untersucht, von welchen sozio-ökonomischen und...
Tarifverträge und Beschäftigungspolitik in Dienstleistungsunternehmen (2004)
Kaiser, Ulrich, Pfeiffer, Friedhelm
Der Beitrag untersucht die Verbreitung von Tarifverträgen in Dienstleistungsunternehmen sowie deren Wirkungen auf die Beschäftigungspolitik im Falle von Nachfrageschwankungen. Der empirische Teil...
Collective Wage Agreements and Adjustments in German Services Firms (2004)
Kaiser, Ulrich, Pfeiffer, Friedhelm
There is a growing concern about collective wage agreement and employment dynamics in Germany. In this paper, evidence is provided on the way collective wage agreements affect the adjustment of...
Training and Individual Performance in Europe: Evidence from Microeconometric Studies (2004)
Learning at school and university and also at the work place has become more important in the knowledge-based economy. This paper provides a critical review of recent econometric work on the...
Tarifbindung und die ökonomische Rationalität von Lohnrigiditäten (2004)
Franz, Wolfgang, Pfeiffer, Friedhelm
Eine träge Anpassungsgeschwindigkeit der Löhne zu einem markträumenden Gleichgewicht bildet nicht nur ein konstitutives Element einer Klasse von makrotheoretischen Ansätzen...
The Rationale for Wage Rigidity: Survey Evidence from German and US Firms (2004)
Franz, Wolfgang, Pfeiffer, Friedhelm
The study provides evidence for the rationale of wage rigidity in Germany compared to the United States. Based on a survey of 801 firms, we extend the study of Campbell and Kanlani (1997, this...
Returns to Education and Individual Heterogeneity (2004)
Maier, Michael, Pfeiffer, Friedhelm, Pohlmeier, Winfried
In this paper, human capital investments are evaluated by assuming heterogeneous returns to education. We use the potential outcome approach to measure the causal effect of human capital investments...
Ausmaß und Konsequenzen von Lohnrigiditäten (2004)
In diesem Beitrag werden Ausmaß und Konsequenzen von nominalen und tariflichenLohnrigiditäten mikroökonomisch und mikroökonometrisch untersucht. DieAnalyse verdeutlicht, dass in Deutschland...
BIOINFORMATICS ORIGINAL PAPER (2004)
Genome Analysis, Daniela Bartels, Sebastian Kespohl, Stefan Albaum, Tanja Drüke, Er Goesmann, ...
BACCardI—a tool for the validation of genomic assemblies, assisting genome finishing and intergenome comparison
Bartels, Daniela, Kespohl, Sebastian, Albaum, Stefan, Drüke, Tanja, Goesmann, Alexander, Herold, Julia, ...
Motivation: Genomic assemblies generated from sequence information need to be validated by independent methods such as physical maps. The time-consuming task of building physical maps can be...
Bartels, Daniela, Kespohl, Sebastian, Albaum, Stefan, Drüke, Tanja, Goesmann, Alexander, Herold, Julia, ...
Motivation: Genomic assemblies generated from sequence information need to be validated by independent methods such as physical maps. The time-consuming task of building physical maps can be...
Overeducation and Individual Heterogeneity (2003)
Maier, Michael, Pfeiffer, Friedhelm, Pohlmeier, Winfried
In this paper, the efficiency of human capital investments is evaluated in the light of inadequate educational careers and skill obsolescence. Assuming heterogeneous returns to schooling and...
Lohnrigiditäten im gemischten Lohnbildungssystem / (2003)
Zugl.: Mannheim, Universiẗat, Habil.-Schr., 2002.
Overeducation and Individual Heterogeneity (2003)
Maier, Michael, Pfeiffer, Friedhelm, Pohlmeier, Winfried
In this paper, the efficiency of human capital investments is evaluated in the light of inadequate educational careers and skill obsolescence. Assuming heterogeneous returns to schooling and...
Matthias Almus, Michael Lechner, Friedhelm Pfeiffer, Hannes Spengler
The paper presents an econometric evaluation of the effects of subsidised non-profit temporary employment agencies - a programme of the West German active labour market policy - on individual labour...
Econometric Evaluation of Labour Market Policies (2001)
Michael Lechner, Friedhelm Pfeiffer
Not available in German order form Contents: author(s) title of paper Heckman, J.J. Vytlacil, E.J. Instrumental variables, selection models and tight bounds on the average treatment effect ...
Protein Information Resource: a community resource for expert annotation of protein data (2001)
Barker, Winona C., Garavelli, John S., Hou, Zhenglin, Huang, Hongzhan, Ledley, Robert S., McGarvey, Peter B., ...
The Protein Information Resource, in collaboration with the Munich Information Center for Protein Sequences (MIPS) and the Japan International Protein Information Database (JIPID), produces the most...
The Protein Information Resource (PIR) (2000)
Barker, Winona C., Garavelli, John S., Huang, Hongzhan, McGarvey, Peter B., Orcutt, Bruce C., Srinivasarao, Geetha Y., ...
The Protein Information Resource (PIR) produces the largest, most comprehensive, annotated protein sequence database in the public domain, the PIR-International Protein Sequence Database, in...
Wirkungen gemeinnütziger Arbeitnehmerüberlassung in Rheinland-Pfalz (1998)
Matthias Almus, Juergen Egeln, Michael Lechner, Friedhelm Pfeiffer, Hannes Spengler
Dieser Beitrag ist eine überarbeitete Fassung des Schlußberichtes zum Forschungsprojekt "Arbeitsplatzeffekte gemeinnütziger Arbeitnehmerüberlassungen in Rheinland-Pfalz" (IAB-Projekt 10-483 A),...
Matthias Almus, Juergen Egeln, Michael Lechner, Friedhelm Pfeiffer, Hannes Spengler
Dieser Beitrag stellt ausgewählte Ergebnisse des vom Zentrum für Europäische Wirtschaftsforschung (ZEW) im Auftrag des IAB und des Ministeriums für Arbeit und Soziales Rheinland-Pfalz...
The PIR-International Protein Sequence Database (1998)
Winona C. Barker, John S. Garavelli, Daniel H. Haft, Lois T. Hunt, Christopher R. Marzec, Bruce C. Orcutt, ...
From its origin the Protein Information Resource (http://www-nbrf.georgetown.edu/pir/ ) has supported research on evolution and computational biology by designing and compiling a comprehensive,...
The PIR-International protein sequence database (1996)
David G. George, Winona C. Barker, Hans-werner Mewes, Friedhelm Pfeiffer, Akira Tsugita
From its origin the Protein Sequence Database has been designed to support research and has focused on comprehensive coverage, quality control and organization of the data in accordance with...
The PIR-International protein sequence database (1996)
Winona C. Barker, John S. Garavelli, Daniel H. Haft, Lois T. Hunt, Christopher R. Marzec, Bruce C. Orcutt, ...
From its origin the Protein Information Resource
Michael Lechner, Friedhelm Pfeiffer
Not available in German. We investigate the plans of individual workers concerning future self-employment in the former German Democratic Republic shortly before the economic, monetary and social...
Expected Job Loss in East Germany Shortly Before German Unification (1993)
Michael Lechner, Friedhelm Pfeiffer, Linda GieseckeO'Shea
Not available in German. We investigate expectations concerning future job loss in former German Democratic Republic (East Germany) shortly before the economic, monetary and social union in July...
Reinigung und Charakterisierung des Glyzinrezeptors aus Rattenrückenmark / (1983)
Inaug.-Diss. : Chemie und Pharm. : München : 1983.
Die orbitalen Komplikationen der Nasennebenhöhlenerkrankungen. (1948)
Tübingen, Med. F., Diss. v. 27. Okt. 1948 (Nicht f. d. Austausch).
Reasons for Wage Rigidity in Germany
Wolfgang Franz, Friedhelm Pfeiffer
This study investigates institutional and economic reasons for downward wage rigidity regarding three occupational skill groups. Based on a survey of 801 firms in Germany and an econometric analysis,...
Protein Information Resource: a community resource for expert annotation of protein data
Barker, Winona C., Garavelli, John S., Hou, Zhenglin, Huang, Hongzhan, Ledley, Robert S., McGarvey, Peter B., ...
The Protein Information Resource, in collaboration with the Munich Information Center for Protein Sequences (MIPS) and the Japan International Protein Information Database (JIPID), produces the most...
The Protein Information Resource (PIR)
Barker, Winona C., Garavelli, John S., Huang, Hongzhan, McGarvey, Peter B., Orcutt, Bruce C., Srinivasarao, Geetha Y., ...
The Protein Information Resource (PIR) produces the largest, most comprehensive, annotated protein sequence database in the public domain, the PIR-International Protein Sequence Database, in...
Living with two extremes: Conclusions from the genome sequence of Natronomonas pharaonis
Falb, Michaela, Pfeiffer, Friedhelm, Palm, Peter, Rodewald, Karin, Hickmann, Volker, Tittor, Jörg, ...
Natronomonas pharaonis is an extremely haloalkaliphilic archaeon that was isolated from salt-saturated lakes of pH 11. We sequenced its 2.6-Mb GC-rich chromosome and two plasmids (131 and 23 kb)....
The genome of the square archaeon Haloquadratum walsbyi : life at the limits of water activity
Bolhuis, Henk, Palm, Peter, Wende, Andy, Falb, Michaela, Rampp, Markus, Rodriguez-Valera, Francisco, ...
Reasons for Wage Rigidity in Germany
Wolfgang Franz, Friedhelm Pfeiffer
This study investigates institutional and economic reasons for downward wage rigidity regarding three occupational skill groups. Based on a survey of 801 firms in Germany and an econometric analysis,...
Heinze, Anja, Pfeiffer, Friedhelm, Spermann, Alexander, Winterhager, Henrik, Wuppermann, Amelie
"In dem Forschungsbericht werden die Datensätze der Bundesagentur für Arbeit vorgestellt, die für die mikroökonometrischen Untersuchungen zur Verfügung stehen. Es handelt sich insbesondere um...
Heinze, Anja, Pfeiffer, Friedhelm, Spermann, Alexander, Winterhager, Henrik
"Aufbauend auf den Mikrodaten werden in dem Forschungsbericht die Determinanten der Ausgabe von Vermittlungsgutscheinen und deren direkte Wirkungen auf der Individualebene untersucht. Die Analysen...
Vermittlungsgutscheine: Zwischenergebnisse der Begleitforschung 2004 : Teil 5: Kosten-Nutzen-Analyse
Pfeiffer, Friedhelm, Winterhager, Henrik
"Zur Bewertung des Ressourceneinsatzes der Bundesagentur für Arbeit wird eine fiskalische Kosten-Nutzen-Analyse (KNA) auf Basis der Mikro- und Makroanalyse durchgeführt. Bei der Berechnung der...
"This article discusses from an economic point of view, both theoretically and empirically, whether firm foundation enhances employment, taking into account public regulation and promotion of firm...
Protein Information Resource: a community resource for expert annotation of protein data
Barker, Winona C., Garavelli, John S., Hou, Zhenglin, Huang, Hongzhan, Ledley, Robert S., McGarvey, Peter B., ...
The Protein Information Resource, in collaboration with the Munich Information Center for Protein Sequences (MIPS) and the Japan International Protein Information Database (JIPID), produces the most...
The Protein Information Resource (PIR)
Barker, Winona C., Garavelli, John S., Huang, Hongzhan, McGarvey, Peter B., Orcutt, Bruce C., Srinivasarao, Geetha Y., ...
The Protein Information Resource (PIR) produces the largest, most comprehensive, annotated protein sequence database in the public domain, the PIR-International Protein Sequence Database, in...
Living with two extremes: Conclusions from the genome sequence of Natronomonas pharaonis
Falb, Michaela, Pfeiffer, Friedhelm, Palm, Peter, Rodewald, Karin, Hickmann, Volker, Tittor, Jörg, ...
Natronomonas pharaonis is an extremely haloalkaliphilic archaeon that was isolated from salt-saturated lakes of pH 11. We sequenced its 2.6-Mb GC-rich chromosome and two plasmids (131 and 23 kb)....
The genome of the square archaeon Haloquadratum walsbyi : life at the limits of water activity
Bolhuis, Henk, Palm, Peter, Wende, Andy, Falb, Michaela, Rampp, Markus, Rodriguez-Valera, Francisco, ...
Saum, Stephan H., Sydow, Jasmin F., Palm, Peter, Pfeiffer, Friedhelm, Oesterhelt, Dieter, Müller, Volker
The moderately halophilic, chloride-dependent bacterium Halobacillus halophilus produces glutamate and glutamine as main compatible solutes at external salinities of 1.0 to 1.5 M NaCl. The routes for...
Pfeiffer, Friedhelm, Winterhager, Henrik
"This paper makes a direct comparison of the relative effectiveness of job placement vouchers and the contracting out of placement services. The study is based on the process data of the Federal...
Ausmaß und Konsequenzen von Lohnrigiditäten
In diesem Beitrag werden Ausmaß und Konsequenzen von nominalen und tariflichen Lohnrigiditäten mikroökonomisch und mikroökonometrisch untersucht. Die Analyse verdeutlicht, dass in Deutschland...
Returns to Education and Individual Heterogeneity
Maier, Michael, Pfeiffer, Friedhelm, Pohlmeier, Winfried
In this paper, human capital investments are evaluated by assuming heterogeneous returns to education. We use the potential outcome approach to measure the causal effect of human capital investments...
Einstiegslöhne bei unvollkommenen Arbeitsmärkten
Gernandt, Johannes, Pfeiffer, Friedhelm
In der vorliegenden Arbeit werden die Bestimmungsgründe von Einstiegslöhnen, sowie das Ausmaß von Lohnrigiditäten und der daraus abgeleiteten Höhe der Lohnaufschwemmung in der Gruppe der...
Abschreibungsraten allgemeiner und beruflicher Ausbildungsinhalte
Ludwig, Volker, Pfeiffer, Friedhelm
In dieser Arbeit werden Abschreibungsraten allgemeiner und beruflicher Ausbildungsinhalte im Erwerbsleben untersucht. Es wird analysiert, ob die Ausbildungsinhalte des Dualen Ausbildungssystems im...
Existenzgründungen: Ein Weg zur Beschäftigungsförderung?
In dem vorliegenden Artikel werden ausgewählte theoretische und empirische Aspekte des Zusammenhangs zwischen Existenzgründungen, staatlichem Handeln und Beschäftigung diskutiert. Dabei wird die...
Selbständigkeit in Europa 1991 - 2003: Empirische Evidenz mit Länderdaten
Göggel, Kathrin, Gräb, Johannes, Pfeiffer, Friedhelm
In dieser Studie werden ausgewählte makroökonomische Determinanten der Anzahl der Selbständigen in fünfzehn Ländern Europas untersucht. Datenbasis sind die Arbeitskräfteerhebungen der...
Pfeiffer, Friedhelm, Winterhager, Henrik
Die vorliegende Studie untersucht auf der Basis von Prozessdaten der Bundesagentur für Arbeit Inanspruchnahme, direkte Wirkungen und Effizienz von Vermittlungsgutscheinen, die im Zeitraum Mai 2003...
Rising Wage Inequality in Germany
Gernandt, Johannes, Pfeiffer, Friedhelm
This paper investigates the evolution of wages and the recent tendency to rising wage inequality in Germany, based on the German Socio-Economic Panel (GSOEP) for 1984 to 2004. Between 1984 and 1994...
Vermittlungsgutscheine und Beauftragungen Dritter im Vergleich
Winterhager, Henrik, Pfeiffer, Friedhelm
Die vorliegende Arbeit untersucht die relative Wirksamkeit von Vermittlungsgutscheinen und Beauftragungen Dritter mit der gesamten Vermittlung im direkten Vergleich. Die Untersuchung basiert auf den...
Human capital and innovation in East and West German manufacturing firms
The paper analyses the theoretical and empirical relationship between employment, skill structure and innovation in East and West German manufacturing firms. The econometric part builds on firm data...
Almus, Matthias, Egeln, Jürgen, Lechner, Michael, Pfeiffer, Friedhelm, Spengler, Hannes
Dieser Beitrag stellt ausgewahlte Ergebnisse des vom Zentrum für Europäische Wirtschaftsforschung (ZEW) im Auftrag des IAB und des Ministeriums für Arbeit und Soziales Rheinland-Pfalz bearbeiteten...
Existenzgründerpotentiale unter Arbeitsuchenden : empirische Evidenz auf der Basis des Mikrozensus
In April 1995, 5.3 million people in Germany were on the lookout for a new job opportunity. 177,000 or nearly 3% of those were searching for an opportunity to get self-employed. In this study the...
Berufliche Weiterbildung und Existenzgründung
Pfeiffer, Friedhelm, Reize, Frank
In Deutschland werden vielfach hohe Anforderungen an die berufliche Qualifikation von Existenzgründern gestellt. Im Handwerk, aber auch in bestimmten freiberuflich organisierten Tätigkeitsbereichen...
Pfeiffer, Friedhelm, Rennings, Klaus
The study assesses net employment effects of technical progress which can be expected by the ongoing transition from end-of-pipe technologies towards cleaner production. Empirical evidence is...
Training and individual performance in Europe : evidence from microeconometric studies
Learning at school and university and also at the work place has become more important in the knowledge-based economy. This paper provides a critical review of recent econometric work on the...
Collective wage agreements and the adjustment of workers and hours in German service firms
Kaiser, Ulrich, Pfeiffer, Friedhelm
There is a growing concern about collective wage agreement and employment dynamics in Germany. In this paper, evidence is provided on the way collective wage agreements affect the adjustment of...
Tarifverträge und Beschäftigungspolitik in Dienstleistungsunternehmen
Kaiser, Ulrich, Pfeiffer, Friedhelm
Der Beitrag untersucht die Verbreitung von Tarifverträgen in Dienstleistungsunternehmen sowie deren Wirkungen auf die Beschäftigungspolitik im Falle von Nachfrageschwankungen. Der empirische Teil...
Tarifbindung und die ökonomische Rationalität von Lohnrigiditäten
Franz, Wolfgang, Pfeiffer, Friedhelm
This study provides empirical evidence for the economic rationality of wage rigidities. Theoretically wage rigidities can result from contracts, implicit contracts, from efficiency wages and from...
Distributional effects of the high school degree in Germany
Gernandt, Johannes, Maier, Michael, Pfeiffer, Friedhelm, Rat-Wirtzler, Julie
This paper investigates the impact of a high school degree on the wage distribution in the period from 1984 to 2004 in Germany. In that period the share of male workers with a high school degree...
Educational expansion and its heterogeneous returns for wage workers
Gebel, Michael, Pfeiffer, Friedhelm
The paper examines the evolution of returns to education in the West German labour market over the last two decades. During this period, graduates from the period of educational expansion in the...
Age-dependent Skill Formation and Returns to Education
Pfeiffer, Friedhelm, Reuß, Karsten
In this study, we try to connect the economic literature on human capital formation with findings from neurobiology and psychology on early childhood development and self-regulation. Our basic...
Sewald, Xaver, Saum, Stephan H., Palm, Peter, Pfeiffer, Friedhelm, Oesterhelt, Dieter, Müller, Volker
The moderately halophilic bacterium Halobacillus halophilus carries a homologue of LuxS, a protein involved in the activated methyl cycle and the production of autoinducer-2, which mediates quorum...
Formelle und informelle berufliche Weiterbildung und Verdienst bei Arbeitnehmern und Selbständigen
Pfeiffer, Friedhelm, Reize, Frank
Investitionen in Weiterbildung werden typischerweise durch die erwartete Zunahme individueller Fähigkeiten motiviert. In dieser Arbeit wird untersucht, von welchen sozio-ökonomischen und...
Lechner, Michael, Pfeiffer, Friedhelm, Spengler, Hannes, Almus, Matthias
The paper presents an econometric evaluation of the effects of subsidised non-profit temporary employment agencies - a programme of the West German active labour market policy - on individual labour...
The Rationale for Wage Rigidity : Survey Evidence from German and US Firms
Franz, Wolfgang, Pfeiffer, Friedhelm
The study provides evidence for the rationale of wage rigidity in Germany compared to the United States. Based on a survey of 801 firms, we extend the study of Campbell and Kanlani (1997, this...
Age-Dependent Skill Formation and Returns to Education: Simulation Based Evidence
Friedhelm Pfeiffer, Karsten Reuß
This study integrates findings from neurobiology and psychology on early childhood development and self-regulation to assess returns to education. Our framework for evaluating the distribution of...
Microarray Analysis in the Archaeon Halobacterium salinarum Strain R1
Twellmeyer, Jens, Wende, Andy, Wolfertz, Jan, Pfeiffer, Friedhelm, Panhuysen, Markus, Zaigler, Alexander, ...
Metabolism of halophilic archaea
Falb, Michaela, Müller, Kerstin, Königsmaier, Lisa, Oberwinkler, Tanja, Horn, Patrick, Von Gronau, Susanne, ...
In spite of their common hypersaline environment, halophilic archaea are surprisingly different in their nutritional demands and metabolic pathways. The metabolic diversity of halophilic archaea was...
Tarasov, Valery Y, Besir, Hüseyin, Schwaiger, Rita, Klee, Kathrin, Furtwängler, Katarina, Pfeiffer, Friedhelm, ...
Bacteriorhodopsin, the photosynthetic protein of Halobacterium salinarum, is optimally expressed under anaerobic growth conditions. We identified Brz (OE3104F, bacteriorhodopsin-regulating zinc...
Almus, Matthias, Egeln, Jürgen, Lechner, Michael, Pfeiffer, Friedhelm, Spengler, Hannes
"This article presents selected results from the research project 'Effects on jobs of non-profit-making temporary employment businesses in Rhineland-Palatinate', which was carried out by the Centre...
"In this paper the question as to the determinants of the search for self-employment instead of a job in dependent employment is analysed. Among other things it is tested whether in the group of...
Ausmaß und Konsequenz von Lohnrigiditäten (Extent and consequences of wage regidities)
"In this paper, the extent and consequences of nominal and negotiated wage rigidities are examined micro-economically and micro-econometrically. The analysis shows that wage rigidities are by no...
Collective Wage Agreements and Firms' Employment Policies
Ulrich Kaiser, Friedhelm Pfeiffer
This paper provides evidence on the way collective wage agreements affect the adjustment of employment, working hours and other production factors when service‐sector firms are faced with demand...
Einstiegslöhne bei unvollkommenen Arbeitsmärkten
Johannes Gernandt, Friedhelm Pfeiffer
This study compares the wages and wage rigidity of entrants with incumbent workers in the West German labour market, based on individual data from 1975 to 1995. On average entrants (around 11 per...
Friedhelm Pfeiffer, Henrik Winterhager
In April 2002 German government introduced job placement vouchers as a new instrument of active labour market policy to foster the transition of unemployed to jobs. This paper investigates the...
Overeducation and Individual Heterogeneity
Michael Maier, Friedhelm Pfeiffer, Winfried Pohlmeier
In this paper, the efficiency of human capital investments is evaluated in the light of inadequate educational careers and skill obsolescence. Assuming heterogeneous returns to schooling and...
Rising Wage Inequality in Germany
Johannes Gernandt, Friedhelm Pfeiffer
This paper investigates the evolution of wages and the recent tendency to rising wage inequality in Germany, based on the German Socio-Economic Panel (GSOEP) for 1984 to 2004. Between 1984 and 1994...
Educational Expansion and Its Heterogeneous Returns for Wage Workers
Michael Gebel, Friedhelm Pfeiffer
This paper examines the evolution of returns to education in the West German labour market over the last two decades. During this period, graduates from the period of educational expansion entered...
Rising Wage Inequality in Germany
Johannes Gernandt, Friedhelm Pfeiffer
Based on samples from the German Socio-Economic Panel (GSOEP) 1984 to 2004, this paper investigates the evolution of wages and wage inequality in Germany. Between 1984 and 1994 wages for prime age...
Self-Productivity in Early Childhood
Katja Coneus, Friedhelm Pfeiffer
Self-productivity is a crucial feature in the process of skill formation. It means that skills and health acquired at one stage in the life cycle enhance skills and health formation at later stages....
Rising Wage Inequality in Germany
Gernandt, Johannes, Pfeiffer, Friedhelm
The paper investigates the evolution of wages and wage inequality in Germany based on samples from the German Socio-Economic Panel (GSOEP) 1984 to 2005. Real gross hourly wages for prime age...
Duration and Intensity of Kindergarten Attendance and Secondary School Track Choice
Landvoigt, Tim, Muehler, Grit, Pfeiffer, Friedhelm
This paper investigates the relationship between kindergarten attendance and secondary school track choice in West-Germany. Our analysis is based on a panel of 12 to 14-year olds with information...
Self-Productivity in Early Childhood
Coneus, Katja, Pfeiffer, Friedhelm
Self-productivity is a crucial feature in the process of skill formation. It means that skills and health acquired at one stage in the life cycle enhance skills and health formation at later stages....
Ungleichheit und die differentiellen Erträge frühkindlicher Bildungsinvestitionen im Lebenszyklus
Pfeiffer, Friedhelm, Reuß, Karsten
Um Hinweise für die Erträge von Investitionen in die Fähigkeiten von Kindern im Vorschulalter geben zu können, möchten wir in diesem Beitrag die Ergebnisse von Simulationen zur Diskussion...
Ungleichheit und die differentiellen Erträge frühkindlicher Bildungsinvestitionen im Lebenszyklus
Pfeiffer, Friedhelm, Reuß, Karsten
Um Hinweise für die Erträge von Investitionen in die Fähigkeiten von Kindern im Vorschulalter geben zu können, möchten wir in diesem Beitrag die Ergebnisse von Simulationen zur Diskussion...
Self-Productivity in Early Childhood
Coneus, Katja, Pfeiffer, Friedhelm
Self-productivity is a crucial feature in the process of skill formation. It means that skills and health acquired at one stage in the life cycle enhance skills and health formation at later stages....
Rising Wage Inequality in Germany
Gernandt, Johannes, Pfeiffer, Friedhelm
The paper investigates the evolution of wages and wage inequality in Germany based on samples from the German Socio-Economic Panel (SOEP) 1984 to 2005. Real gross hourly wages for prime age dependent...
Pfeiffer, Friedhelm, Reuß, Karsten
In der folgenden Studie möchten wir ausgewählte Aspekte von intra- und intergenerationalen Umverteilungseffekten im System der bundesdeutschen Alterssicherung auf der Basis der Humankapitalheorie...
Assessing Intergenerational Earnings Persistence Among German Workers
Eisenhauer, Philipp, Pfeiffer, Friedhelm
In this study we assess the relationship between father and son earnings among (West) German Workers. To reduce the lifecycle and attenuation bias a novel sampling procedure is developed and applied...
Genome information management and integrated data analysis with HaloLex
Pfeiffer, Friedhelm, Broicher, Alexander, Gillich, Thomas, Klee, Kathrin, Mejía, José, Rampp, Markus, ...
HaloLex is a software system for the central management, integration, curation, and web-based visualization of genomic and other -omics data for any given microorganism. The system has been employed...
Initial Risk Matrix, Home Resources, Ability Development and Children's Achievement
Blomeyer, Dorothea, Coneus, Katja, Laucht, Manfred, Pfeiffer, Friedhelm
This paper investigates the role of self-productivity and home resources in ability formation from infancy to adolescence. In addition, we study the complementarities between basic cognitive, motor...
Wage Convergence and Inequality after Unification : (East) Germany in Transition
Johannes Gernandt, Friedhelm Pfeiffer
This paper investigates the wage convergence between East German workers and their West German counterparts after reunification. Our research is based on a comparison of three groups of workers...
Assessing intergenerational earnings persistence among German workers
Eisenhauer, Philipp, Pfeiffer, Friedhelm
"'The vitality and stability of our democracy - as well as the economy Ð eventually depend on the social permeability of our society.' (Horst Köhler, German Federal President, 29. 12. 2007,...
Wage Convergence and Inequality after Unification: (East) Germany in Transition
Gernandt, Johannes, Pfeiffer, Friedhelm
This paper investigates the wage convergence between East German workers and their West German counterparts after reunification. Our research is based on a comparison of three groups of workers...
Expected Job Loss in East Germany Shortly before German Unification.
Lechner, Michael, Pfeiffer, Friedhelm, O'Shea, Linda Giesecke
Assessing intergenerational earnings persistence among German workers
Eisenhauer, Philipp, Pfeiffer, Friedhelm
"'The vitality and stability of our democracy - as well as the economy Ð eventually depend on the social permeability of our society.' (Horst Köhler, German Federal President, 29. 12. 2007,...
Selbständigkeit in Europa 1991-2003: Empirische Evidenz mit Länderdaten
Kathrin Goeggel, Johannes Graeb, Friedhelm Pfeiffer
The number of self-employed workers in Europe has been in decline since the 1990s. At the same time unemployment has decreased and GDP per capita increased. In this study we analyse macroeconomic...
Self-Productivity and Complementarities in Human Development: Evidence from MARS
Blomeyer, Dorothea, Coneus, Katja, Laucht, Manfred, Pfeiffer, Friedhelm
This paper investigates the role of self-productivity and home resources in capability formation from infancy to adolescence. In addition, we study the complementarities between basic cognitive,...
Assessing Intergenerational Earnings Persistence among German Workers
Philipp Eisenhauer, Friedhelm Pfeiffer
In this study we assess the relationship between father and son earnings among (West) German Workers. To reduce the lifecycle and attenuation bias a novel sampling procedure is developed and applied...
Rising Wage Inequality in Germany
Johannes Gernandt, Friedhelm Pfeiffer
The paper investigates the evolution of wages and wage inequality in Germany based on samples from the German Socio-Economic Panel (SOEP) 1984 to 2005. Real gross hourly wages for prime age dependent...
Age-dependent skill formation and returns to education
Pfeiffer, Friedhelm, Reuß, Karsten
This study investigates the distribution of returns to investments in cognitive and self-regulatory skills over the life cycle. In our simulation model, the distribution of returns to education...
Volker Ludwig, Friedhelm Pfeiffer
The computer revolution together with educational expansion has led to dramatic changes in the structure of the workforce and in the organisation of workplaces in the last four decades. These...
Initial Risk Matrix, Home Resources, Ability Development and Children’s Achievement
Blomeyer, Dorothea, Coneus, Katja, Laucht, Manfred, Pfeiffer, Friedhelm
This paper investigates the development of basic cognitive, motor and noncognitive abilities from infancy to adolescence. We analyse the predictive power of these abilities, initial risk conditions...
Systems Analysis of Bioenergetics and Growth of the Extreme Halophile Halobacterium salinarum
Gonzalez, Orland, Gronau, Susanne, Pfeiffer, Friedhelm, Mendoza, Eduardo, Zimmer, Ralf, Oesterhelt, Dieter
Halobacterium salinarum is a bioenergetically flexible, halophilic microorganism that can generate energy by respiration, photosynthesis, and the fermentation of arginine. In a previous study, using...
Initial Risk Matrix, Home Resources, Ability Development, and Children's Achievement
Dorothea Blomeyer, Katja Coneus, Manfred Laucht, Friedhelm Pfeiffer
This paper investigates the development of basic cognitive, motor, and noncognitive abilities from infancy to adolescence. We analyse the predictive power of these abilities, initial risk conditions,...
Doris Blechinger, Friedhelm Pfeiffer
Für die Bundesrepublik und insbesondere für Baden-Württemberg mit seiner hohen Industriedichte und dem großen Anteil innovativer Unternehmen ist das Verständnis der wirtschaftlichen...
Betriebsvereinbarung versus Tarifsystem
Hagen Lesch, Wernhard Möschel, Claus Schnabel, Martin Kannegiesser, Friedhelm Pfeiffer, Reinhard Bispinck, ...
Tarifautonomie und Flächentarifvertrag sind ins Kreuzfeuer der Kritik geraten. Es geht um die Frage, ob auch in Zukunft die zentralen Mindeststandards für Arbeits- und Einkommensbedingungen im...
Entwicklung und Ungleichheit von Fähigkeiten: Anmerkungen aus ökonomischer Sicht
Nirgends sonst im ökonomischen Handeln fallen Kosten und Nutzen im Zeitablauf und aufgeteilt nach Investoren und Nutznießern so eklatant auseinander wie bei Bildungsinvestitionen. In dem...