Peter Schmidt

Preparing Oral Examinations of Mathematical Domains with the Help of a Knowledge-Based Dialogue System (2008)

Peter Schmidt

Abstract: A conception of discussing mathematical material in the domain of calculus is

Social Structural Effects on the Level and Development of the Individual Experience of Anomie in the German Population (2008)

Sandra Legge (née Hüpping), Eldad Davidov, Peter Schmidt

Can one observe an increasing level of individual lack of orientation because of rapid social change in modern societies? This question is examined using data from a representative longitudinal...

Bringing Values Back In: The Adequacy of the European Social Survey to Measure Values in 20 Countries (2008)

Davidov, Eldad, Schmidt, Peter, Schwartz, Shalom H.

The Schwartz (1992) theory of basic human values has promoted a revival of empirical research on values. The semi-annual European Social Survey (ESS) includes a new 21-item instrument to measure the...

Values and Support for Immigration: A Cross-Country Comparison (2008)

Davidov, Eldad, Meuleman, Bart, Billiet, Jaak, Schmidt, Peter

In this article, we estimate and compare the effects of two value dimensions taken from the theory of basic human values—namely, self-transcendence and conservation—on attitudes toward...

Disentangling the Causal Relations of Perceived Group Threat and Outgroup Derogation: Cross-national Evidence from German and Russian Panel Surveys (2008)

Schlueter, Elmar, Schmidt, Peter, Wagner, Ulrich

Despite the resurgence of interest in group threat theory for explaining negative interethnic relations, adequate empirical evidence on the causal ordering of perceived group threat and outgroup...

2001), A robust version of the KPSS test, based on indicators, mimeo, Michigan State University, available at http://www.msu.edu/user/dejongr (2007)

Robert M. Jong, Christine Amsler, Peter Schmidt

In this paper we wish to test the null hypothesis that an observed series {xt} is stationary. We allow for non-zero level (mean or median) for xt, but not for deterministic trend. This is often...

y (2007)

Oliver Gunther, Rudolf Muller, Peter Schmidt, Hemant Bhargava, Ramayya Krishnan

x The World Wide Web has been extremely successful as a tool for distributed publishing and sharing of information among large dispersed groups. This raises the question whether the distributed...

2001), A robust version of the KPSS test, based on indicators, mimeo, Michigan State University, available at http://www.msu.edu/user/dejongr (2007)

Robert M. Jong, Christine Amsler, Peter Schmidt

This paper proposes a test of the null hypothesis of stationarity that is robust to the presence of fat-tailed errors. The test statistic is a modified version of the so-called KPSS statistic. The...

Spurious logarithms and the KPSS statistic (2007)

Robert De Jong, Peter Schmidt

This paper analyzes the asymptotic behavior of two types of so-called KPSS tests when a logarithm transformation has been applied spuriously to data that are themselves an integrated time series....

Computational Models of Adhesively Bonded Joints (2007)

Schmidt, Peter

Simulations using the Finite Element Method (FEM) play an increasingly important role in the design process of joints and fasteners in the aerospace industry. In order to utilize the potential of...

Computational Models of Adhesively Bonded Joints (2007)

Schmidt, Peter

Simulations using the Finite Element Method (FEM) play an increasingly important role in the design process of joints and fasteners in the aerospace industry. In order to utilize the potential of...

Determination of the general public exposure around GSM and UMTS base stations (2007)

Bornkessel, Christian, Schubert, Markus, Wuschek, Matthias, Schmidt, Peter

This paper summarises two studies, in which measurement and calculation methods to determine the exposure of the general public around GSM and UMTS base stations have been developed and applied to...

Exposure of the general public to digital broadcast transmitters compared to analogue ones (2007)

Schubert, Markus, Bornkessel, Christian, Wuschek, Matthias, Schmidt, Peter

The terrestrial digital video and audio broadcast are supposed to replace the existing analogue broadcast systems. To determine possible changes of this switchover on the public exposure situation to...

Western and eastern approaches to crisis management for global tourism: some differences (2007)

Schmidt, Peter, Berrell, Mike

This chapter briefly sketches the evolution of approaches to crisis management in the West and discusses the extent to which responses to a crisis are determined or at least substantially shaped by...

Die Europäisierung des Versicherungsrechts unter besonderer Berücksichtigung der Grundfreiheiten (2006)

Schmidt, Peter

Gegenstand dieser Arbeit ist die Darstellung der Entwicklung und der weiteren Perspektiven des Versicherungsvertragsrechts innerhalb der Europäischen Union, wobei auch Verbindungen zum...

The Western European Union in the 1990s: Searching for a Role (2006)

Schmidt, Peter

The growth in European defense integration since the latter 1980s has become a vexing issue for U.S. policymakers. U.S. policy has long supported European integration as a means to underwriting...

GMM estimators with improved finite sample properties using principal components of the weighting matrix, with an application to the dynamic panel data model (2006)

Schmidt, Peter

GMM estimators have poor finite sample properties in highly overidentified models. With many moment conditions the optimal weighting matrix is poorly estimated. We suggest using principal components...

Geteilte Wünsche, geteilte Hoffnungen : Das Teilzeitgesetz und flexible Arbeitszeiten (2005)

Booh, Andrea Tina, Wieczorek, Siegrid, Schmidt, Peter

Zeit und Zeitverwendung sind immer wichtigere Themen der modernen Industriegesellschaftgeworden. Die Beschleunigung der Arbeitsprozesse, die Veränderung der Geschlechtsrollen sowiedie Aufteilung von...

Uranium distribution and cycling in Scots pine (Pinus sylvestris L.) growing on a revegetated U-mining heap (2005)

Thiry, Yves, Van Hees, May, Wannijn, Jean, Van Bree, Peter, Vandenhove, Hildegarde, Rufyikiri, Gervais, ...

We determined the uranium distribution in soil and its allocation in compartments of 35-year-old Scots pine developed on a revegetated U-mining heap. The processes controlling the dynamics of U...

Geteilte Wünsche, geteilte Hoffnungen : Das Teilzeitgesetz und flexible Arbeitszeiten (2005)

Booh, Andrea Tina, Wieczorek, Siegrid, Schmidt, Peter

Zeit und Zeitverwendung sind immer wichtigere Themen der modernen Industriegesellschaft geworden. Die Beschleunigung der Arbeitsprozesse, die Veränderung der Geschlechtsrollen sowie die Aufteilung...

Islet Xenotransplantation : An Experimental Study of Barriers to Clinical Transplantation (2004)

Schmidt, Peter

In the field of transplantation, the increasing deficit of human donors have lead to an interest in animals as an alternative source of organs and tissues. Different in vitro systems and rodent...

Islet Xenotransplantation : An Experimental Study of Barriers to Clinical Transplantation (2004)

Schmidt, Peter

In the field of transplantation, the increasing deficit of human donors have lead to an interest in animals as an alternative source of organs and tissues. Different in vitro systems and rodent...

IDIOPATHIC ACUTE ONSET MYELOPATHY IN CHEETAH (ACINONYX JUBATUS) CUBS (2003)

Christian Walzer, Angelika Url, Nadia Robert, Anna Kübber-Heiss, Norbert Nowotny, Peter Schmidt

Numerous cases of ataxia, hind limb paresis, and paralysis have occurred in cheetah (Acinonyx jubatus) cubs over the past 10 yr within the European Endangered Species Program population, including 12...

Time and Money: An Empirical Explanation of Behaviour in the Context of Travel-Mode Choice with the German Microcensus (2003)

Davidov, Eldad, Schmidt, Peter, Bamberg, Sebastian

Whereas variance in preferences is a central explanation for human behaviour in the social sciences, economists traditionally avoid using preferences to explain behaviour. Rather, change in behaviour...

Do Foreigners Deserve Rights? Determinants of Public Views Towards Foreigners in Germany and Israel (2003)

Raijman, Rebeca, Semyonov, Moshe, Schmidt, Peter

In the present paper we compare public views regarding the equality of rights foreigners deserve in Germany and Israel using data from two national representative samples (ALLBUS in Germany, 1996 and...

On the Estimation of Technical Inefficiency in the Stochastic Frontier Production Function Model. (2002)

Schmidt,Peter, Jondrow,James

In this paper, a method is proposed for separating the error term of the stochastic frontier model into its two components for each observation. This method enables one to estimate the level of...

NO-independent regulatory site of direct sGC stimulators like YC-1 and BAY 41-2272 (2001)

Becker, Eva, Alonso-Alija, Cristina, Apeler, Heiner, Gerzer, Rupert, Minuth, Torsten, Pleiβ, Ulrich, ...

Abstract Background The most important receptor for nitic oxide is the soluble guanylate cyclase (sGC), a heme containing heterodimer. Recently, a pyrazolopyridine derivative BAY 41-2272,...

The Scientific World and the Farmer's Reality: Agricultural Research and Extension in Kyrgyzstan (2001)

Peter Schmidt

Shepherds on horseback tend sheep on green mountain pastures: an idyllic image of Kyrgyzstan, a mountainous country in the heart of Asia, that hides the harsh reality of life after the collapse of...

Meson Screening Masses at high Temperature in quenched QCD with improved Wilson Quarks (2001)

Laermann, Edwin, Schmidt, Peter

We report on a lattice investigation of improved quenched Wilson fermions above and below the confinement-deconfinement phase transition. Results on meson screening masses as well as spatial wave...

Germany, France and NATO (2001)

Schmidt, Peter

U.S. national strategy and Army doctrine establish the need for, and value of, coalition and alliances in the post-cold war era. While value of, coalitions and alliances in the post-cold war era....

Können wir auf Treibgase bei der Anwendung von Medikamenten verzichten? (2000)

Schmidt, Peter, Häfelinger, Günter

Studium Generale Vorlesung im Wintersemester 2000/2001; Montag, 13.11.2000

Können wir auf Treibgase bei der Anwendung von Medikamenten verzichten? (2000)

Schmidt, Peter, Häfelinger, Günter

Studium Generale Vorlesung im Wintersemester 2000/2001; Montag, 13.11.2000

Untersuchung der elektronischen Struktur von Mischkristallen mit Übergangsmetallhalogeniden / (1999)

Schmidt, Peter.

Freiburg (Breisgau), Universiẗat, Diss., 1999 (Nicht für den Austausch).

Tests Of Short Memory With Thick Tailed Errors (1999)

Christine Amsler, Peter Schmidt

This paper considers two tests of the null hypothesis of short memory, the KPSS test of Kwiatkowski et al. (1992) and the modified rescaled range (MR/S) test of Lo (1991). The KPSS test was designed...

Symposium on Molecular Tribology Held in Anaheim, California on 4-6 April 1995. (1998)

Schmidt, Peter, Mate, Mathew

This contract provided funding for a Symposium entitled 'Molecular Tribology' which was part of the American Chemical Society National Meeting held in Anaheim, California, April 4-6, 1995. Attendees,...

MMM: A WWW-Based Method Management System for Using Software Modules Remotely (1996)

Oliver Günther, Rudolf Müller, Peter Schmidt, Hemant Bhargava, Ramayya Krishnan

The World Wide Web has been highly successful as a tool for the distributed publishing and sharing of online documents among large dispersed groups. This raises the question whether the distributed...

MMM: A WWW-Based Method Management System for Using Software Modules Remotely (1996)

Oliver Günther, Rudolf Müller, Peter Schmidt, Hemant Bhargava, Ramayya Krishnan

The World Wide Web has been highly successful as a tool for the distributed publishing and sharing of online documents among large dispersed groups. This raises the question whether the distributed...

Accessing "computable" information over the WWW: The MMM Project (1995)

Ramayya Krishnan, Rudolf Müller, Peter Schmidt

The rapid growth of the World Wide Web (WWW), a distributed hypermedia system implemented on the Internet, has led to simple and widespread access to vast repositories of information. In contrast to...

Accessing "computable" information over the WWW: The MMM Project (1995)

Ramayya Krishnan, Rudolf Müller, Peter Schmidt

The rapid growth of the World Wide Web (WWW), a distributed hypermedia system implemented on the Internet, has led to simple and widespread access to vast repositories of information. In contrast to...

Entwicklung von bioresorbierbaren Polymeren auf Basis von (L, L)-Lactid und cyclischen Carbonaten / (1994)

Schmidt, Peter.

Thesis (doctoral)--Rheinisch-Westfälische Technische Hochschule Aachen, 1994.

The Special Franco-German Security Relationship in the 1990s. EU-ISS Chaillot Paper 8, June 1993 (1993)

Schmidt, Peter.

[From the Preface]. The Franco-German relationship has been one of the driving factors in the process of European integration, and Peter Schmidt's perceptive analysis indicates the way that the...

An interpolation test for a unit root in the presence of drift (1991)

GUILKEY, DAVID K., SCHMIDT, PETER

This paper considers tests of the null hypothesis of a unit root in an observed time series against the alternative that the series is level stationary. Interpolation tests whose critical values...

Zur Entwicklung prozessnaher mikrorechnergesteuerter Regelungsgeräte. (1988)

Schmidt, Peter.

Berlin-Wartenberg, Ingenieurhochsch., Diss. B, 1988 (Nicht f.d. Austausch).

Carbon-13 NMR spectra of lignins. 9. Spin-lattice relaxation times (T1) and determination of interunit linkages in three hardwood lignins (Alnus glutinosa, Corylus avellanus and Acer pseudoplatanus) (1982)

Nimz, Horst H., Nemr, Michel, Schmidt, Peter, Margot, Christian, Schaub, Bruno, Schlosser, Manfred

The spin-lattice relaxation time (T1) for the aliph. C atoms in the C3 side chains of acetylated MWL from C. avellana was below 0.5 s, while C atoms of substituted arom. carbonyl and Me in methoxy...

Staatliche und gemeindliche Monopole und Freiheit des Berufs /--Peter Schmidt. (1978)

Schmidt, Peter.

Thesis--Westfälische Wilhelms-Universität zu Münster, 1978.

Bezeichnungen für den Leiter einer Gruppe von Menschen: lexikalische Untersuchungen zum Sprachgebrauch in der DDR. (1977)

Schmidt, Peter.

Leipzig, Univ., Sekt. Kulturwiss. u. Germanistik, Diss. A, 1977. (Nicht f. d. Austausch.).

Erfahrungen bei der normothermen Perfusion menschlicher Tumornieren / (1977)

Schmidt, Peter.

Thesis (doctoral)--Ludwig-Maximilians Universität München, 1977.

Untersuchungen zur Rindfleischproduktion im Alentejo / Portugal. (1973)

Schmidt, Peter.

Hohenheim, Univ., Fachbereich Agrarbiologie, Diss. 1973.

Der Einfluss von Nifedipine auf die Nierenfunktion des Hypertonikers / (1972)

Schmidt, Peter.

Thesis (doctoral)--Julius-Maximilians-Universität Würzburg, 1972.

Untersuchungen über Fruchtfolgerestriktionen in linearen Optimierungsmodellen. (1972)

Schmidt, Peter.

Halle, Univ., Landwirtschaftl. Fak., Diss. A, 1972. (Nicht f. d. Austausch.).

Über die Nucleophile Einführung der Diäthylcarbamoylgruppe / (1970)

Schmidt, Peter.

Thesis (doctoral)--Georg-August-Universität zu Göttingen, 1970.

Darstellung, Eigenschaften und Reaktionen trichlorsilysubstituierter Amide des Lithiums und des Zinks / (1968)

Schmidt, Peter.

Thesis (doctoral)--Technische Universität Carolo-Wilhelmina zu Braunschweig, 1968.

Quantitativ-ökologische und populationsdynamische Untersuchungen am Mesopsammon des Gezeiten-Sandstrandes von Sylt. (1967)

Schmidt, Peter.

Aus: Internationale Revue d. gesamten Hydrobiologie. Bd 53. 1968, H. 5 u. Bd 54. 1969, H. 1. u. d. T.: Die quantitative Verteilung und Populationsdynamik des Mesopsammons am Gezeiten-Sandstrand der...

Das Eosinophile Granulom des Knochens / (1965)

Schmidt, Peter.

Thesis (doctoral)--Julius-Maximilians-Universität Würzburg, 1965.

Herstellung von stabilen niederpolymeren Trifluorchloräthylenen. (1965)

Schmidt, Peter.

Greifswald, Math.-naturwiss. F., Diss. v. 28. Mai 1965 (Nicht f. d. Aust.).

Die Abhängigkeit der Rammspannungen in Stahlbetonpfählen vom Boden. (1964)

Schmidt, Peter.

Dresden, T. U., F. f. Bauw., Diss. v. 9. Dez. 1964 (Nicht f. d. Aust.).

Die Strafprozesse der ausgehenden römischen Republik []. (1956)

Schmidt, Peter.

Münster, Phil. F., Diss. v. 23. Dez. 1955 (Nicht f. d. Aust.).

Über die Lymphozytose bei Gesunden in den Jahren 1938 bis 1948. (1949)

Schmidt, Peter.

Heidelberg, Med. F., Diss. v. 25. Nov. 1949 (Nicht f. d. Austausch).

Über einseitigen Nystagmus / (1914)

Schmidt, Peter.

Thesis (doctoral)--Universität Rostock, 1914.

Confidence Statements for Efficiency Estimates from Stochastic Frontier Models

William C. Horrace, Peter Schmidt

This paper is an empirical study of the uncertainty associated with estimates from stochastic frontier models. We show how to construct confidence intervals for estimates of technical efficiency...

Testing for a Unit Root in the Presence of Deterministic Trends

Peter Schmidt

This paper provides a new unit root test based on an alternative parameterization which has previously been considered by Bhargava (1986). This parameterization allows for trend under both the null...

Testing the Null Hypothesis of Stationarity Against the Alternative of a Unit Root: How Sure Are We That Economic Time Series Have a Unit Root?

Denis Kwiatkowski, Peter Schmidt

The standard conclusion that is drawn from this empirical evidence is that many or most aggregate economic time series contain a unit root. However, it is important to note that in this empirical...

Common Factors Governing VDAX Movements and the Maximum Loss

Härdle, Wolfgang, Schmidt, Peter

Based on daily VDAX data this paper analyzes the factors governing the movements of implied volatilities of options on the German stock index DAX. Using Principal Components Analysis over the sample...

Common Factors Governing VDAX Movements and the Maximum Loss

Härdle, Wolfgang, Schmidt, Peter

Based on daily VDAX data this paper analyzes the factors governing the movements of implied volatilities of options on the German stock index DAX. Using Principal Components Analysis over the sample...

Evidence of Parvovirus Replication in Cerebral Neurons of Cats

Url, Angelika, Truyen, Uwe, Rebel-Bauder, Barbara, Weissenböck, Herbert, Schmidt, Peter

The correlation between parvovirus infections and lesions in the central nervous system other than cerebellar hypoplasia was studied in 100 cats. The animals were necropsied with a history of various...

A Mutation in the Gene for the Neurotransmitter Receptor–Clustering Protein Gephyrin Causes a Novel Form of Molybdenum Cofactor Deficiency

Reiss, Jochen, Gross-Hardt, Sigrid, Christensen, Ernst, Schmidt, Peter, Mendel, Ralf R., Schwarz, Günter

Gephyrin was originally identified as a membrane-associated protein that is essential for the postsynaptic localization of receptors for the neurotransmitters glycine and GABAA. A sequence comparison...

Recruitment of the transcriptional machinery through GAL11P: structure and interactions of the GAL4 dimerization domain

Hidalgo, Patricia, Ansari, Aseem Z., Schmidt, Peter, Hare, Brian, Simkovich, Natasha, Farrell, Susan, ...

The GAL4 dimerization domain (GAL4-dd) is a powerful transcriptional activator when tethered to DNA in a cell bearing a mutant of the GAL11 protein, named GAL11P. GAL11P (like GAL11) is a component...

Interpreting and Testing the Scaling Property in Models where Inefficiency Depends on Firm Characteristics

Antonio Alvarez, Christine Amsler, Luis Orea, Peter Schmidt

Let u ≥ 0 be technical inefficiency, let z be a set of variables that affect u, and let δ be the parameters of this relationship. The model satisfies the scaling property if u(z, δ) can be...

Evidence of Parvovirus Replication in Cerebral Neurons of Cats

Url, Angelika, Truyen, Uwe, Rebel-Bauder, Barbara, Weissenböck, Herbert, Schmidt, Peter

The correlation between parvovirus infections and lesions in the central nervous system other than cerebellar hypoplasia was studied in 100 cats. The animals were necropsied with a history of various...

Recruitment of the transcriptional machinery through GAL11P: structure and interactions of the GAL4 dimerization domain

Hidalgo, Patricia, Ansari, Aseem Z., Schmidt, Peter, Hare, Brian, Simkovich, Natasha, Farrell, Susan, ...

The GAL4 dimerization domain (GAL4-dd) is a powerful transcriptional activator when tethered to DNA in a cell bearing a mutant of the GAL11 protein, named GAL11P. GAL11P (like GAL11) is a component...

A Mutation in the Gene for the Neurotransmitter Receptor–Clustering Protein Gephyrin Causes a Novel Form of Molybdenum Cofactor Deficiency

Reiss, Jochen, Gross-Hardt, Sigrid, Christensen, Ernst, Schmidt, Peter, Mendel, Ralf R., Schwarz, Günter

Gephyrin was originally identified as a membrane-associated protein that is essential for the postsynaptic localization of receptors for the neurotransmitters glycine and GABAA. A sequence comparison...

Predicting Criminal Recidivism Using "Split Population" Survival Time Models

Peter Schmidt, Ann Dryden Witte

In this paper we develop a survival time model in which the probability of eventual failure is less than one, and in which both the probability of eventual failure and the timing of failure depend...

Stochastic frontier models with multiple time-varying individual effects

Seung Ahn, Young Lee, Peter Schmidt

This paper proposes a flexible time-varying stochastic frontier model. Similarly to Lee and Schmidt [1993, In: Fried H, Lovell CAK, Schmidt S (eds) The measurement of productive efficiency:...

NO- and haem-independent activation of soluble guanylyl cyclase: molecular basis and cardiovascular implications of a new pharmacological principle

Stasch, Johannes-Peter, Schmidt, Peter, Alonso-Alija, Cristina, Apeler, Heiner, Dembowsky, Klaus, Haerter, Michael, ...

Soluble guanylyl cyclase (sGC) is the only proven receptor for the ubiquitous biological messenger nitric oxide (NO) and is intimately involved in many signal transduction pathways, most notably in...

Unit Root Tests Based on Instrumental Variables Estimation.

Lee, Junsoo, Schmidt, Peter

This paper develops new tests of the unit root hypothesis based on instrumental variables estimation. The tests are asymptotically valid in the presence of moving average errors and they are quite...

Panel Data Models with Multiple Time-Varying Individual Effects

Seung C. Ahn, Young H. Lee, Peter Schmidt

This paper considers a panel data model with time-varying individual effects. The data are assumed to contain a large number of cross-sectional units repeatedly observed over a fixed number of time...

On the Accuracy of Bootstrap Confidence Intervals for Efficiency Levels in Stochastic Frontier Models with Panel Data

Myungsup Kim, Yangseon Kim, Peter Schmidt

We study the construction of confidence intervals for efficiency levels of individual firms in stochastic frontier models with panel data. The focus is on bootstrapping and related methods. We start...

A separability result for gmm estimation, with applications to gls prediction and conditional moment tests

Seung Ahu, Peter Schmidt

Generalized method of moments estimates are unaffected by the addition of equal numbers of moment conditions and extra parameters. We prove thisresult and give examples of its use.

The asymptotic equivalence between the iterated improved 2sls estimator and the 3sls estimator

Hailong Qian, Peter Schmidt

In this paper we show that the 3SLS estimator of a system of equations is asymptotically equivalent to an iterative 2SLS estimator applied to each equation, augmented with the residuals from the...

Frontier production functions

Peter Schmidt

This paper summarizes the literature on frontier production and cost functions and on their relationship to the problem of efficiency measurement.

Likelihood Based Estimation in a Panel Setting

Peter Schmidt

This paper considers the extension to panel data of models that are specified cross-sectionally in terms of a likelihood. It considers specifically the estimation of stochastic frontier models but...

Estimation of a Panel Data Model with Parametric Temporal Variation in Individual Effects

Peter Schmidt, Chirok Han, Luis Orea

This paper considers models with time-varying individual effects (also known as factor models). The paper extends Ahn, Lee and Schmidt, Journal of Econometrics, 2001 and Bai, Econometrica, 2003 to...

Interpreting and testing the scaling property in models where inefficiency depends on firm characteristics

Peter Schmidt, Antonio Alvarez, Christine Amsler

In this paper, we are interested in a stochastic frontier model in which observable characteristics of the firms affect their levels of technical inefficiency. Let u ≥ 0 be the one-sided error...

Multiple comparisons with the best, with economic applications

William C. Horrace, Peter Schmidt

In this paper we discuss a statistical method called multiple comparisons with the best, or MCB. This paper is meant to introduce MCB to economists. We discuss possible uses of MCB in economics. The...

GMM with more moment conditions than observations

Satchachai, Panutat, Schmidt, Peter

When there are more moment conditions than observations, the usual GMM weighting matrix is singular. We show that using the generalized inverse is not a good idea. With continuous updating, the...

Valid tests of whether technical inefficiency depends on firm characteristics

Kim, Myungsup, Schmidt, Peter

We wish to test whether technical inefficiency depends on observable characteristics of the firm. We consider a two-step procedure in which the second step is a regression of estimated inefficiency...

More efficient estimation under non-normality when higher moments do not depend on the regressors, using residual augmented least squares

Im, Kyung So, Schmidt, Peter

Under normality, least squares is efficient. However, if the errors are not normal, we can gain efficiency from the assertion that higher moments do not depend on the regressors. In this paper, we...

Semiparametric Bootstrap Approach to Hypothesis Tests and Confidence Intervals for the Hurst Coefficient

Peter Hall, Wolfgang Härdle, Torsten Kleinow, Peter Schmidt

Box-counting method, commodity price, financial market, fractal dimension, fractional Brownian motion, Gaussian process, long-range dependence, Monte Carlo, R–S analysis, self affineness, self...

Sampling Errors and Confidence Intervals for Order Statistics: Implementing the Family Support Act

William C. Horrace, Peter Schmidt, Ann Dryden Witte

The Family Support Act allows states to reimburse child care costs up to the 75th percentile of local market price for child care. States must carry out surveys to estimate these 75th percentiles....

"Hall of Fame" Voting: The Econometric Society

Daniel S. Hamermesh, Peter Schmidt

We examine the determinants of election as Fellow of the Econometric Society, an example of voting within a group to confer honor on some members and perhaps achieve additional status for the entire...

GMM Redundancy Results for General Missing Data Problems

Artem Prokhorov, Peter Schmidt

We consider questions of efficiency and redundancy in the GMM estimation problem in which we have two sets of moment conditions, where two sets of parameters enter into one set of moment conditions,...

Explaining the Conversion to Organic Farming of Farmers of the Obwalden Canton, Switzerland - Extension of the Theory of Planned Behavior within a Structural Equation Modeling Approach

Tutkun, Aysel, Lehmann, Bernard, Schmidt, Peter

Farmers’ decisions about conversion to organic farming are analyzed with a structural equation model. The Theory of Planned Behavior (ToPB), one of the prominent theories in the social psychology,...

On the distribution of estimated technical efficiency in stochastic frontier models

Wang, Wei Siang, Schmidt, Peter

We consider a stochastic frontier model with error [epsilon]=v-u, where v is normal and u is half normal. We derive the distribution of the usual estimate of u,E(u[epsilon]). We show that as the...

GMM redundancy results for general missing data problems

Prokhorov, Artem, Schmidt, Peter

We consider questions of efficiency and redundancy in the GMM estimation problem in which we have two sets of moment conditions, where two sets of parameters enter into one set of moment conditions,...

Neue Möglichkeiten durch die Namensaktie

Heidorn, Thomas, Schmidt, Peter, Seiler, Stefan

Durch das Interesse deutscher Unternehmen an einer weltweit einheitlichen Aktie hat sich in letzter Zeit eine Umstellung auf die Namensaktie durchgesetzt. Diese Entwicklung beruht einerseits auf der...