Ulrich Schmidt

Determinants of tracheostomy decannulation: an international survey (2008)

Stelfox, Henry, Crimi, Claudia, Berra, Lorenzo, Noto, Alberto, Schmidt, Ulrich, Bigatello, Luca M, ...

Abstract Background Although tracheostomy is probably the most common surgical procedure performed on critically ill patients, it is unknown when a tracheostomy tube can be safely removed. Methods We...

A Theory of the Gambling Effect (2007)

Enrico Diecidue, Ulrich Schmidt, Peter P. Wakker

This paper presents a model for the "gambling effect," i.e., the effect that risky gambles are evaluated differently than riskless outcomes due to an intrinsic utility (or disutility) of...

ATheoryoftheGamblingE®ect (2007)

Enrico Diecidue, Ulrich Schmidt, Peter P. Wakker, Peterp. Wakkert

t: CentER,TilburgUniversity,TheNetherlands k: InstitutfÄurFinanzwissenschaftundSozialpolitik, Christian-Albrechts-UniversitÄatzuKiel,Germany September28,1999 This paper presents a model for the...

Das Ozonloch und seine Ursachen (2007)

Dameris, Martin, Peter, Thomas, Schmidt, Ulrich, Zellner, Reinhard

Der Abbau des stratosphärischen Ozons gehört zu den gravierendsten Veränderungen, die die Erdatmosphäre in neuerer Zeit erfahren hat. Seine auffälligste Erscheinung ist das Ozonloch über dem...

Reference Points and Loss Aversion (2006)

Schmidt, Ulrich

I will present two new models of decision making under risk which exhibit reference-dependence. The first model generalizes (cumulative) prospect theory by allowing reference points to be...

Objektorientierte Modellierung zur geodätischen Deformationsanalyse (2005)

Schmidt, Ulrich

Die bisherigen Realisierungen von Netzausgleichungs- und Deformationsanalysealgorithmen in operationellen Softwaresystemen sind meist nur Insellösungen, die sich schlecht erweitern lassen und einen...

An Experimental Investigation of Alternatives to Expected Utility Using Pricing Data (2005)

Morone, Andrea, Schmidt, Ulrich

Experimental research on decision making under risk has until now always employed choice data in order to evaluate the empirical performance of expected utility and the alternative non-expected...

In vivo gene transfer of parvalbumin improves diastolic function in aged rat hearts (2005)

Schmidt, Ulrich, Zhu, Xinsheng, Lebeche, Djamel, Huq, Fawzia, Guerrero, J. Luis, Hajjar, Roger J.

Objective: Diastolic dysfunction is a characteristic finding of the aged mammalian heart. Parvalbumin acts as a Ca2+ sink and enhances relaxation in skeletal muscle, and overexpression of parvalbumin...

Mixing and ozone loss in the 1999–2000 Arctic vortex: Simulations with the three-dimensional Chemical Lagrangian Model of the Stratosphere (CLaMS) (2004)

Konopka, Paul, Steinhorst, Hildegard-Maria, Grooß, Jens-Uwe, Günther, Gebhard, Müller, Rolf, Elkins, James W., ...

To view the published open abstract, go to http://dx.doi.org/10.1029/2003JD003792 . An edited version of this paper was published by AGU. Copyright 2004 American Geophysical Union.

Mixing and ozone loss in the 1999–2000 Arctic vortex: Simulations with the three-dimensional Chemical Lagrangian Model of the Stratosphere (CLaMS) (2004)

Konopka, Paul, Steinhorst, Hildegard-Maria, Grooß, Jens-Uwe, Günther, Gebhard, Müller, Rolf, Elkins, James W., ...

To view the published open abstract, go to http://dx.doi.org/10.1029/2003JD003792 An edited version of this paper was published by AGU. Copyright 2004 American Geophysical Union.

Friedman, Harsanyi, Rawls, Boulding - or Somebody Else? : An Experimental Investigation of Distributional Justice (2003)

Traub,Stefan, Seidl,Christian, Schmidt,Ulrich, Levati,Maria Vittoria

This paper investigates distributive justice using a fourfold experimental design: The ignorance and the risk scenarios are combined with the self-concern and the umpire modes. We study behavioral...

Friedman, Harsanyi, Rawls, Boulding - or Somebody Else? : An Experimental Investigation of Distributional Justice (2003)

Traub, Stefan, Seidl, Christian, Schmidt, Ulrich, Levati, Maria Vittoria

This paper investigates distributive justice using a fourfold experimental design: The ignorance and the risk scenarios are combined with the self-concern and the umpire modes. We study behavioral...

Friedman, Harsanyi, Rawls, Boulding - or Somebody Else? An Experimental Investigation of Distributive Justice (2003)

Stefan Traub, Christian Seidl, Ulrich Schmidt, Maria Vittoria Levati, Jel-classification D

This paper investigates distributive justice using a fourfold experimental design: The ignorance and the risk scenarios are combined with the self--concern and the umpire modes. We study behavioral...

Chlorine activation and chemical ozone loss deduced from HALOE and balloon measurements in the Arctic during the winter of 1999–2000 (2002)

Müller, Rolf, Tilmes, Simone, Grooß, Jens-Uwe, McKenna, Daniel S., Müller, Melanie, Schmidt, Ulrich, ...

To view the published open abstract, go to http://dx.doi.org/10.1029/2001JD001423 . An edited version of this paper was published by AGU. Copyright 2002 American Geophysical Union.

Measurements of Carbonyl Sulfide (COS) in Surface Seawater and Marine Air, and Estimates of the Air-Sea Flux from Observations During two Atlantic Cruises (2001)

Xu, Xiaobin, Bingemer, Heinz G., Georgii, Hans-W., Schmidt, Ulrich, Bartell, Ulrich

Carbonyl sulfide (COS) was measured in surface seawater and in marine air during two Atlantic cruises of the R/V Polarstern between Bremerhaven, Germany, and Cape Town, South Africa. The cruises took...

Ein Beitrag zur Drehmomentmessung / (1995)

Schmidt, Ulrich.

Thesis (doctoral)--Universität-Gesamthochschule-Siegen, 1995.

Die klinische Bedeutung der Knochenszintigraphie bei Patienten mit Prostatakarzinom. (1975)

Schmidt, Ulrich.

Heidelberg, Univ., Med. Gesamtfak., Diss., 1975. (Nicht f. d. Austausch.).

Pyrolyse und Hydrolyse von Pyrimidinsulfonamiden / (1974)

Schmidt, Ulrich.

Thesis (doctoral)--Eberhard-Karls-Universität zu Tübingen, 1974.

Die Rechtsnatur der Verkehrszeichen. (1963)

Schmidt, Ulrich.

Univ. d. Saarlandes, Rechts- u. wirtschaftswiss. F., Diss. v. 27. Febr. 1963.

Über den Wirkungsunterschied zwischen Reinalkaloiden und galenischen Zubereitungen aus Semen Strychni / (1963)

Schmidt, Ulrich.

Thesis (doctoral)--Johann Wolfgang Goethe-Universität zu Frankfurt am Main, 1963.

Neue Synthesen auf dem Gebiet der Dithia- und Aza-Heterocyclen. (1957)

Schmidt, Ulrich.

Freiburg i. B., Naturwiss.-math. F., Hab.Schr. v. 12. Dez. 1957 (Nicht f. d. Aust.).

Trithione und Trithioniumsalze : Synthesen u. Umsetzgn. / (1953)

Schmidt, Ulrich.

Freiburg i. B., Naturwiss.-math. F., Diss. v. 18. Juni 1953 (Nicht f. d. Aust.).

Die Verfolgung Anschuldiger ([sektion] 344 STGB) / (1911)

Schmidt, Ulrich.

Thesis (doctoral)--Eberhard-Karls-Universität zu Tübingen, 1911.

The Performance of Peer Review and a Beauty Contest of Referee Processes of Economics Journals/

SEIDL, CHRISTIAN, SCHMIDT, ULRICH, GRÖSCHE, PETER

Peer review influences decisively personal advancement, research opportunities, salaries, grant-funding, promotion, and tenure. It claims to exert quality control of manuscripts and improve them, to...

Properties of Equivalence Scales in Different Countries

Christos Koulovatianos, Carsten Schröder, Ulrich Schmidt

household economies of scale, equivalence scales, survey method, independence of base, C42, C90, D31, D63, I31,

Family-Type Subsistence Incomes

Christos Koulovatianos, Carsten Schröder, Ulrich Schmidt

Different family types may have a fixed flow of consumption costs, related to subsistence needs. We use a survey method in order to identify and estimate such a fixed component of spending for...

Explaining preference reversal with third-generation prospect theory

Ulrich Schmidt, Chris Starmer, Robert Sugden

We present a new theory of decision under risk called third-generation prospect theory. A novel feature of our version of prospect theory is that, by allowing reference points to be uncertain, it is...

Security And Potential Level Preferences With

Schmidt, Ulrich, Zimper, Alexander

The security level models of Gilboa (1988) and of Jaffray (1988) as well as the security and potential level model of Cohen (1992) accomodate succesfully classical Allais paradoxa while they offer an...

What is Loss Aversion?

Ulrich Schmidt, Horst Zank

A behavioral definition of loss aversion is proposed and its implications for original and cumulative prospect theory are analyzed. Original prospect theory is in agreement with the new loss aversion...

An Experimental Investigation of Alternatives to Expected Utility Using Pricing Data

Andrea Morone, Ulrich Schmidt

Experimental research on decision making under risk has until now always employed choice data in order to evaluate the empirical performance of expected utility and the alternative non-expected...

Friedman, Harsanyi, Rawls, Boulding - Or Somebody Else? An Experimental Investigation of Distributive Justice

Stefan Traub, Christian Seidl, Ulrich Schmidt, M. Vittoria Levati

This paper investigates distributive justice using a fourfold experimental design: The ignorance and the risk scenarios are combined with the self-concern and the umpire modes. We study behavioral...

The Use of Trading Strategies by Fund Managers: Some First Survey Evidence

Menkhoff, Lukas, Schmidt, Ulrich

Our questionnaire survey finds that most fund managers rely on the strategies of buy-and-hold, momentum and contrarian trading. These strategies are typically applied mutually. Their use is rooted in...

Adenoviral gene transfer of SERCA2a improves left-ventricular function in aortic-banded rats in transition to heart failure

Miyamoto, Michael I., Del Monte, Federica, Schmidt, Ulrich, DiSalvo, Thomas S., Kang, Zhao Bin, Matsui, Takashi, ...

In human and experimental models of heart failure, sarcoplasmic reticulum Ca2+ ATPase (SERCA2a) activity is decreased, resulting in abnormal calcium handling. The disturbances in calcium metabolism...

Modulation of ventricular function through gene transfer in vivo

Hajjar, Roger J., Schmidt, Ulrich, Matsui, Takashi, Guerrero, J. Luis, Lee, Kyung-Han, Gwathmey, Judith K., ...

We used a catheter-based technique to achieve generalized cardiac gene transfer in vivo and to alter cardiac function by overexpressing phospholamban (PL) which regulates the activity of the...

An Experimental Investigation of the Disparity between WTA and WTP for Lotteries

Schmidt, Ulrich, Traub, Stefan

In this paper we experimentally investigate the disparity between willingness-to-accept (WTA) and willingness-to-pay (WTP) for risky lotteries. The direction of the income effect is reversed by...

An Experimental Investigation of Alternatives to Expected Utility Using Pricing Data

Morone, Andrea, Schmidt, Ulrich

Experimental research on decision making under risk has until now always employed choice data in order to evaluate the empirical performance of expected utility and the alternative nonexpected...

Adenoviral gene transfer of SERCA2a improves left-ventricular function in aortic-banded rats in transition to heart failure

Miyamoto, Michael I., Del Monte, Federica, Schmidt, Ulrich, DiSalvo, Thomas S., Kang, Zhao Bin, Matsui, Takashi, ...

In human and experimental models of heart failure, sarcoplasmic reticulum Ca2+ ATPase (SERCA2a) activity is decreased, resulting in abnormal calcium handling. The disturbances in calcium metabolism...

Modulation of ventricular function through gene transfer in vivo

Hajjar, Roger J., Schmidt, Ulrich, Matsui, Takashi, Guerrero, J. Luis, Lee, Kyung-Han, Gwathmey, Judith K., ...

We used a catheter-based technique to achieve generalized cardiac gene transfer in vivo and to alter cardiac function by overexpressing phospholamban (PL) which regulates the activity of the...

Noise and Bias in Eliciting Preferences

John D Hey, Andrea Morone, Ulrich Schmidt

In the context of eliciting preferences for decision making under risk, we ask the question: "which might be the 'best' method for eliciting such preferences?". It is well known that different...

Testing expected utility in the presence of errors

Ulrich Schmidt, Tibor Neugebauer

One possible conclusion from recent experimental research on decision making under risk is that observed behaviour can be reasonably accommodated by expected utility plus an error term. This...

Noise and Bias in Eliciting Preferences

John D. Hey, Andrea Morone, Ulrich Schmidt

In the context of eliciting preferences for decision making under risk, we ask the question: “which might be the ‘best’ method for eliciting such preferences?”. It is well known that...

An Experimental Investigation of Violations of Transitivity in Choice under Uncertainty

Michael H. Birnbaun, Ulrich Schmidt

Several models of choice under uncertainty imply systematic violations of transitivity of preference. Our experiments explored whether people show patterns of intransitivity predicted by these...

Parametric Weighting Functions

Enrico Diecidue, Ulrich Schmidt, Horst Zank

This paper provides preference foundations for parametric weighting functions under rankdependent utility. This is achieved by decomposing the independence axiom of expected utility into separate...

An Axiomatization of Linear Cumulative Prospect Theory with Applications to Portfolio Selection and Insurance Demand

Schmidt, Ulrich, Horst Zank

The present paper combines loss attitudes and linear utility by providing an axiomatic analysis of corresponding preferences in a cumulative prospect theory (CPT) framework. CPT is one of the most...

Risk Aversion in Cumulative Prospect Theory

Schmidt, Ulrich, Horst Zank

This paper characterizes the conditions for risk aversion in cumulative prospect theory where risk aversion is defined in the strong sense (Rothshild Stiglitz 1970). Under weaker assumptions than...

An Experimental Test of Loss Aversion.

Schmidt, Ulrich, Traub, Stefan

This paper experimentally investigates a preference condition for loss aversion in the framework of cumulative prospect theory (CPT). We propose the concepts of absolute and relative loss premiums in...

Selfish-biased conditional cooperation: On the decline of contributions in repeated public goods experiments

Tibor Neugebauer, Javier Perote, Ulrich Schmidt, Malte Loos

The recent literature suggests that people have social preferences with a self-serving bias. Our data analysis reveals that the stylized fact of declining cooperation in repeated public goods...

On the Income Dependence of Equivalence Scales

Christos Koulovatianos, Carsten Schroder, Ulrich Schmidt

We suggest a simple survey method for obtaining direct subjective estimates of equivalence scales, also appropriate for testing whether equivalence scales depend on reference-household income. We...

Transitivity in Health Utility Measurement: An Experimental Analysis

Ulrich Schmidt, Michael Stolpe

Several experimental studies observed substantial violations of transitivity in decisions between risky lotteries over monetary outcomes. The goal of our experiment is to test whether these...

Selfish-biased conditional cooperation: On the decline of contributions in repeated public goods experiments

Tibor Neugebauer, Javier Perote, Ulrich Schmidt, Malte Loos

In the recent literature, several hypotheses have been put forward in order to explain the decline of contributions in repeated public good games. We present results of an experiment which allows to...

Arbeitslosengeld II: Arbeitsanreize und Verteilungsgerechtigkeit

Christos Koulovatianos, Ulrich Schmidt, Carsten Schröder

Um die Arbeitsanreize und die Verteilungsgerechtigkeit des Arbeitslosengeldes II (ALG II) zu analysieren, ist eine Quantifizierung des Arbeitsleides und des Wertes der Haushaltsproduktion in...

Are Preference Reversals Errors? An Experimental Investigation

Ulrich Schmidt, John D. Hey

This paper investigates whether some part of the preference reversal phenomenon can be attributed to errors in the responses of subjects in experiments. Such errors have been well documented in other...

The Utility of Gambling Reconsidered

Enrico Diecidue, Ulrich Schmidt, Peter P. Wakker

The utility of gambling, which entails an intrinsic utility or disutility of risk, has been alluded to in the economics literature for over a century. This paper demonstrates that any utility of...

Are Professional Investors Sophisticated?

Menkhoff, Lukas, Schmeling, Maik, Schmidt, Ulrich

Existing empirical evidence is inconclusive on whether professional investors show sophisticated behavior or not, a question which is at the heart of market efficiency. This ambiguous evidence is...

An Experimental Investigation of the Role of Errors for Explaining Violations of Expected Utility

Schmidt, Ulrich, Neugebauer, Tibor

One possible conclusion from recent experimental research on decision making under risk is that observed behaviour can be reasonable accommodated by expected utility plus an error term. This...

An Experimental Investigation of Alternatives to Expected Utility Using Pricing Data

Morone, Andrea, Schmidt, Ulrich

Experimental research on decision making under risk has until now always employed choice data in order to evaluate the empirical performance of expected utility and the alternative non-expected...

The Use of Momentum, Contrarian and Buy-&-Hold Strategies: Survey Evidence from Fund Managers

Brozynski, Torsten, Menkhoff, Lukas, Schmidt, Ulrich

This study provides evidence from a questionnaire survey of fund managers. We find that the majority of respondents rely on momentum, contrarian and buy-&-hold strategies to some degree. Although...

The Impact of Experience on Risk Taking, Overconfidence, and Herding of Fund Managers: Complementary Survey Evidence

Brozynski, Torsten, Menkhoff, Lukas, Schmidt, Ulrich

Empirical research has shown that inexperienced fund managers yield significantly higher returns than their more experienced colleagues. If the portfolios of inexperienced are not more risky, this...

Self-Insurance and Self-Protection as Public Goods

Lohse, Tim, Julio R. Robledo, Ulrich Schmidt

Many public goods like dams, fire departments, and lighthouses do not provide direct utility but act more as insurance devices against floods, fire, and shipwreck. They either diminish the...

The use of trading strategies by fund managers: some first survey evidence

Lukas Menkhoff, Ulrich Schmidt

A questionnaire survey has found that most fund managers rely on the strategies of buy-&-hold, momentum and contrarian trading. These strategies are typically applied mutually. Their use is rooted in...

Empirical Tests of Intransitivity Predicted by Models of Risky Choice

Birnbaum, Michael H., Schmidt, Ulrich

Recently proposed models of risky choice imply systematic violations of transitivity of preference. Five studies explored whether people show patterns of intransitivity predicted by four descriptive...

Friedman, Harsanyi, Rawls, Boulding - or Somebody Else?

Traub, Stefan, Seidl, Christian, Schmidt, Ulrich, Levati, Maria Vittoria

This paper investigates distributive justice using a fourfold experimental design: The ignorance and the risk scenarios are combined with the self{concern and the umpire modes. We study behavioral...

Lorenz, Pareto, Pigou: Who Scores Best? Experimental Evidence on Dominance Relations of Income Distributions

Traub, Stefan, Seidl, Christian, Schmidt, Ulrich

Using an experiment with material incentives, this paper investigates the violation of composite dominance relationships, viz. absolute Pareto dominance, Pareto rank dominance, transfer dominance,...

Parametric Weighting Functions

Diecidue, Enrico, Schmidt, Ulrich, Zank, Horst

This paper provides behavioral foundations for parametric weighting functions under rankdependent utility. This is achieved by decomposing the independence axiom of expected utility into separate...

Self-Insurance and Self-Protection as Public Goods

Lohse, Tim, Robledo, Julio R., Schmidt, Ulrich

Many public goods like lighthouses and fire departments do not provide direct utility but act as insurance devices against shipwreck and destruction. They either diminish the size and/or the...

Knock-out for descriptive utility or experimental-design error?

Stefan Traub, Christian Seidl, Ulrich Schmidt, Peter Grösche

generic-utility theory, subjective equivalence of gambles, experimental design of utility scaling, C20, D81, C91,

An Experimental Investigation of Alternatives to Expected Utility Using Pricing Data

Andrea Morone, Ulrich Schmidt

Experimental research on decision making under risk has until now always employed choice data in order to evaluate the empirical performance of expected utility and the alternative non-expected...

Third-generation prospect theory

Ulrich Schmidt, Chris Starmer, Robert Sugden

Prospect theory, Preference reversal, Reference dependence, D81,

Lottery Dependent Utility: a Reexamination

Ulrich Schmidt

Lottery dependent utility, Boundary effects, Lexicographic utility,

Properties of Equivalence Scales in Different Countries

Christos Koulovatianos, Carsten Schröder, Ulrich Schmidt

Recent studies in high-income industrialized countries have shown that equivalence scales are income-dependent. We investigate whether this dependence also holds in poorer, services oriented...

Non-Market Time and Household Well-Being

Christos Koulovatianos, Carsten Schröder, Ulrich Schmidt

A distinguishing feature among households is whether adult members work or not, since the employment status a?ects a household’s available time for home activities. Using a survey method in two...

Non-Market Household Time and the cost of Children

Christos Koulovatianos, Carsten Schröder, Ulrich Schmidt

A distinguishing feature among households is whether adult members work or not, since the occupational status of adults affects their available time for home activities. Using a survey method in two...

The Effect of Elicitation Methods on Ambiguity Aversion: An Experimental Investigation

Maffioletti, Anna, Schmidt, Ulrich

Abstract: In this paper we elicit preferences for the classical three-color Ellsberg Paradax employing three different methods, choices, minimal selling prices and maximal buying prices. The...

Nonmarket Household Time and the Cost of Children

Koulovatianos, Christos, Schrder, Carsten, Schmidt, Ulrich

Raising children demands a considerable amount of parental time, obliging working parents either to reduce their leisure time further or to buy childcare services in the market. Parents may face...

An Experimental Investigation of the Disparity Between WTA and WTP for Lotteries

Ulrich Schmidt, Stefan Traub

WTA-WTP disparity, lotteries, background risk, contingent valuation, C91, D81,

Selfish-biased conditional cooperation: On the decline of contributions in repeated public goods experiments

Neugebauer, Tibor, Perote, Javier, Schmidt, Ulrich, Loos, Malte

In the recent literature, several competing hypotheses have been advanced to explain the stylized fact of declining contributions in repeated public goods experiments. We present results of an...

A simple model of cumulative prospect theory

Schmidt, Ulrich, Zank, Horst

The present paper combines loss attitudes and linear utility by providing an axiomatic analysis of cumulative prospect theory (CPT) in the framework for decision under uncertainty. We derive a...

Confronting the Robinson Crusoe paradigm with household-size heterogeneity

Christos Koulovatianos, Carsten Schröder, Ulrich Schmidt

Modern macroeconomics empirically addresses economy-wide incentives behind economic actions by using insights from the way a single representative household would behave. This analytical approach...

Innate immune adaptor MyD88 mediates neutrophil recruitment and myocardial injury after ischemia-reperfusion in mice

Feng , Yan, Zhao, Huailong, Xu, Xinhua, Buys, Emmanuel S., Raher, Michael J., Bopassa, Jean C., ...

MyD88 is an adaptor protein critical for innate immune response against microbial infection and in certain noninfectious tissue injury. The present study examined the role of MyD88 in myocardial...

Parametric weighting functions

Diecidue, Enrico, Schmidt, Ulrich, Zank, Horst

This paper provides preference foundations for parametric weighting functions under rank-dependent utility. This is achieved by decomposing the independence axiom of expected utility into separate...

An experimental study on individual choice, social welfare, and social preferences

Traub, Stefan, Seidl, Christian, Schmidt, Ulrich

We experimentally study subjects' compliance with dominance relationships of income distributions in a ranking task. The experiment consisted of four different treatments: Lottery, individual choice,...

Welfare-Dependent Household Economies of Scale: Further Evidence

Koulovatianos, Christos, Schröder, Carsten, Schmidt, Ulrich

We use a survey method designed to capture whether the consumption sharing ability of households varies systematically at different levels of well being. Evidence from Cyprus reconfirms our previous...

Non-market time and household well-being

Koulovatianos, Christos, Schröder, Carsten, Schmidt, Ulrich

A distinguishing feature among households is whether adult members work or not, since the employment status affects a household?s available time for home activities. Using a survey method in two...

Family-type subsistence incomes

Koulovatianos, Christos, Schröder, Carsten, Schmidt, Ulrich

Different family types may have a fixed flow of consumption costs, related to subsistence needs. We use a survey method in order to identify and estimate such a fixed component of spending for...

Noise and bias in eliciting preferences

John Hey, Andrea Morone, Ulrich Schmidt

Pairwise choice, Willingness-to-pay, Willingness-to-accept, BDM mechanism, Errors, Noise, Biases, JEL classifications , C91, C81,