Publications des institutions partenaires
Copula-based bivariate binary response models
The bivariate probit model is frequently used for estimating the effect of an endogenous binary regressor on a binary outcome variable. This paper discusses simple modifications that maintain the probit assumption for the marginal distributions while introducing non-normal dependence among the two variables using copulas. Simulation results and evidence from two applications, one on...
Institution partenaire
English / 01/08/2009
Gain better protection over assets
http://www.cpf.gov.sg/imsavvy/infohub_article.asp?readid={745918165-2644-6052212714}
Institution partenaire
English / 20/07/2009
Environmental protection, energy policy and poverty reduction
Institution partenaire
English / 11/07/2009
Ich bin das Netz : Oder wenn der Mensch seinen Körper verlässt
Institution partenaire
Deutsch / 06/07/2009
Warum Schweizer Politiker am Gesundheitswesen scheitern: Grundsätzliche Überlegungen zum Rücktritt Pascal Couchepins
Die Gesundheitsausgaben steigen seit langem zügig, und alle Versuche der Politik, dies zu dämpfen, erscheinen mehr oder
weniger erfolglos. Der Gesundheitsökonom Peter Zweifel legt dar, wie die grundlegenden Kräfte bei der Entwicklung
des Gesundheitssektors wirken, welche Rolle Bundes- und Kantonspolitiker spielen können und wie sich die Konflikte
zwischen Bürgern...
Institution partenaire
Deutsch / 04/07/2009
Self-reinforcing market dominance
Are initial competitive advantages self-reinforcing, so that markets exhibit an endogenous tendency to be dominated by only a few firms? Although this question is of great economic importance, no systematic empirical study has yet addressed it. Therefore, we examine experimentally whether firms with an initial cost advantage are more likely to invest in marginal cost reductions than...
Institution partenaire
English / 04/07/2009
Long-run labour market and health effects of individual sports activities
This microeconometric study analyzes the effects of individual leisure sports participation on long-term labour market variables, on socio-demographic as well as on health and subjective well-being indicators for West Germany based on individual data from the German Socio-Economic Panel study (GSOEP) 1984 to 2006. Econometric problems due to individuals choosing their own level of...
Institution partenaire
English / 04/07/2009
Cortical plasticity of audio-visual object representations
Several regions in human temporal and frontal cortex are known to integrate visual and auditory object features. The processing of audio-visual (AV) associations in these regions has been found to be modulated by object familiarity. The aim of the present study was to explore training-induced plasticity in human cortical AV integration. We used functional magnetic resonance imaging...
Institution partenaire
English / 01/07/2009
Merger negotiations and ex-post regret
We consider a setting in which two potential merger partners each possess private information pertaining
both to the profitability of the merged entity and to stand-alone profits, and we investigate the extent to
which this private information makes ex-post regret an unavoidable phenomenon in merger negotiations.
To this end, we consider ex-post incentive compatible...
Institution partenaire
English / 01/07/2009
Influence of dopaminergically mediated reward on somatosensory decision-making
Reward-related dopaminergic influences on learning and overt behaviour are well established, but any influence on sensory decision-making is largely unknown. We used functional magnetic resonance imaging (fMRI) while participants judged electric somatosensory stimuli on one hand or other, before being rewarded for correct performance at trial end via a visual signal, at one of four...
Institution partenaire
English / 01/07/2009
Concurrent brain-stimulation and neuroimaging for studies of cognition
Neuroimaging can address activity across the entire brain in relation to cognition, but is typically correlative rather than causal. Brain stimulation can target a local brain area causally, but without revealing the entire network affected. Combining brain stimulation with concurrent neuroimaging allows a new causal approach to how interplay between extended networks of brain...
Institution partenaire
English / 01/07/2009
Lottery pricing under time pressure
This paper investigates how subjects determine minimum selling prices for lotteries. We design an experiment where subjects have at every moment an incentive to state their minimum selling price and to adjust the price if they believe that the price that they stated initially was not optimal. We observe frequent and sizeable price adjustments. We find that random pricing models can...
Institution partenaire
English / 01/07/2009
GPs' preferences: What price fee-for-service?
In mixed health care systems a crucial condition for the success of Managed Care (MC) plans is to win over a su±cient number of general practitioners (GPs) acting as gatekeepers. This contribution reports on GPs' willingness-to-accept (WTA) or compensation asked, respectively, for changing from conventional fee-for-service to MC practice. Some 175 Swiss GPs participated in...
Institution partenaire
English / 01/07/2009
Simulating WTP Values from Random-Coefficient Models
Discrete Choice Experiments (DCEs) designed to estimate willingness-to-pay (WTP) values are very popular in health economics. With increased computation power and advanced simulation techniques, random-coefficient models have gained an increasing importance in applied work as they allow for taste heterogeneity. This paper discusses the parametrical derivation of WTP values from...
Institution partenaire
English / 01/07/2009
Two are better than one!: individuals' contributions to "unpacked" public goods
We experimentally demonstrate how "unpacking" provides a possible approach for mitigating the dilemma of public goods provision through private contributions. Subjects' total contributions increase when a single public good is split into two identical public goods.
Institution partenaire
English / 01/07/2009
An Extended Stein's Lemma for Asset Pricing
Stein's lemma is extended to the case where asset returns have skewed and leptokurtic distributions. The risk premium is still the negative of the covariance of the excess return with the log stochastic discount factor. The risk-neutral distribution has a simple form but is a nontrivial transformation of the physical distribution.
Institution partenaire
English / 24/06/2009
Health economics
Health Economics presents a systematic treatment of the economics of health behavior and health care delivery. Appropriate both for advanced undergraduate and graduate students of economics, this text provides the background required to understand current research,presenting theoretical models as well as empirical evidence and summarizing key results. Without neglecting ethical...
Institution partenaire
English / 21/06/2009
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