Publications des institutions partenaires

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Axiomatization of a Preference for Most Probable Winner

In binary choice between discrete outcome lotteries, an individual may prefer lottery L1 tonlottery L2 when the probability that L1 delivers a better outcome than L2 is higher than thenprobability that L2 delivers a better outcome than L1. Such a preference can be rationalizednby three standard axioms (solvability, convexity and symmetry) and one less standard axiom (a fanning-in). A...

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English / 01/02/2005

On the Notion of the First Best in Standard Hidden Action Problems

It is well known that ex-ante randomization can improve uponnsecond best contracts in principal-agent problems. In this note, we show that even the first-best can be dominated by a random contract. Our example isncast in a standard textbook set-up with two effort levels and two states of nature.

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English / 01/02/2005

A Stochastic Expected Utility Theory

This paper proposes a new model that explains the violations of expected utility theory throughnthe role of random errors. The paper analyzes decision making under risk when individuals makenrandom errors when they compute expected utilities. Errors are drawn from the normal distribution, which is truncated so that the stochastic utility of a lottery cannot be greater (lower) than...

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English / 01/02/2005

Validity of Discrete-Choice Experiments - Evidence for Health Risk Reduction

There is growing interest in discrete-choice experiments (DCE) as a method to elicit consumers' preferences in the health care sector. Increasingly this method is used to determine willingness-to-pay (WTP) for health-related goods. However, its external validity in the health care domain has not been investigated until today. This paper examines the external validity of DCE...

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English / 01/02/2005

A Structural Model of Demand for Apprentices

It is a widely held opinion that apprenticeship training represents a net investment for training firms, and that therefore firms only train if they have the possibility to recoup these investments after the training period. A recent study using a new firm-level dataset for Switzerland showed, however, that for 60 percent of the firms, the apprenticeship training itself does not...

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English / 01/02/2005

Gewerbsmässigkeit im schweizerischen Luftrecht

Der Begriff der Gewerbsmässigkeit hat im schweizerischen Luftrecht eine grosse Bedeutung. Werden gewerbsmässige Flüge ohne die entsprechenden Bewilligungen und Voraussetzungen durchgeführt, so resultieren gravierende zivilrechtliche, strafrechtliche und administrative Konsequenzen.

In den massgebenden internationalen Luftfahrtabkommen findet sich keine Definition der...

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Deutsch / 31/01/2005

"Wir leben nicht um zu arbeiten"

Ein erhöhtes Rentenalter erscheint dem Wirtschaftsethiker Peter Ulrich unsinnig ...

sowie Thurgauer Nachrichten, 27. Januar 2005, S. 16

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Deutsch / 27/01/2005

Multiple losses, ex ante moral hazard, and the implications for umbrella policies

Under certain cost conditions the optimal insurance policy offers full coverage above a deductible, as Arrow and others have shown. However, many insurance policies currently provide coverage against several losses although the possibilities for the insured to affect the loss probabilities by several prevention activities (multiple moral hazard) are substantially different. This...

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English / 01/01/2005

Asymmetric vertical integration

We examine vertical backward integration in a reduced-form model of successive oligopolies. Our key findings are: (i) There may be asymmetric equilibria where some firms integrate and others remain separated, even if firms are symmetric initially; (ii) Efficient firms are more likely to integrate vertically. As a result, integrated firms also tend to have a large market share. The...

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English / 01/01/2005

Subjective well-being and the family: results from an ordered probit model with multiple random effects

The previous literature on the determinants of individual well-being has failed to fully account for the interdependencies in well-being at the family level. This paper develops an ordered probit model with multiple random effects that allows to identify the intra-family correlation in wellbeing. The parameters of the model can be estimated with panel data using Maximum Marginal...

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English / 01/01/2005

Institutions and development: the interaction between trade regime and political system

This paper argues that an unequal distribution of political power, biased to landed elites and owners of natural resources, in combination with openness to trade is a major obstacle to development of natural resource- or land-abundant economies. We develop a two-sector general equilibrium model and show that in an oligarchic society public investments conducive to industrialization...

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English / 01/01/2005

Neue Dynamik im schweizerischen Technologieportfolio

Das Bundesamt für Berufsbildung und Technologie (BBT) erhebt in Zusammenarbeit mit dem Fraunhofer-Institut für Systemtechnik und Innovationsforschung (FhG-ISI) periodisch die Patentanmeldungen des Standorts Schweiz sowie der Schweizer Unternehmen weltweit. Daraus lässt sich ein Technologieportfolio ermitteln. Es bildet die Gesamtheit der technischen Fähigkeiten und Errungenschaften...

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Deutsch / 01/01/2005

The Australian health policy changes of 1999 and 2000: an evaluation

This article evaluates three measures introduced by the Australian Federal Government in 1999 and 2000 that were designed to encourage private health insurance and relieve financial pressure on the public healthcare sector. These policy changes were (i) a 30% premium rebate, (ii) health insurers offering lifetime enrolment on existing terms and the future relaxation of premium...

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English / 01/01/2005

The promise and pitfalls of restructuring network industries

This paper examines the competitive effects of reorganizing a network industry's vertical structure. In this industry, an upstream monopolist operates a network used as an input to produce horizontally differentiated final products that are imperfect substitutes. Three potential pitfalls of restructuring integrated network industries are analyzed: (i) double marginalization, (ii...

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English / 01/01/2005

Consistency of asymmetric kernel density estimators and smoothed histograms with application to income data

We consider asymmetric kernel density estimators and smoothed histograms when the unknown probability density function f is defined on [0,+infinity). Uniform weak consistency on each compact set in [0,+infinity) is proved for these estimators when f is continuous on its support. Weak convergence in L_1 is also established. We further prove that the asymmetric kernel density estimator...

Institution partenaire

Université de Genève

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English / 01/01/2005

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