Publications des institutions partenaires
MBA Rankings unter der Lupe: Rankings hinterfragen
Institution partenaire
Deutsch / 09/10/2004
Reward-Risk Portfolio Selection and Stochastic Dominance
The portfolio selection problem is traditionally modelled by two different approaches. The first one is based on an axiomatic model of risk-averse preferences, where decision makers are assumed to possess an expected utility function. The second approach, first proposed by Markowitz (1952), reduces the portfolio choice to a set of two criteria, reward and risk. Usually the reward-...
Institution partenaire
English / 01/10/2004
'Just Forget It' - Memory Distortion as Bounded Rationality"
Distortions in memory impose important bounds on rationality but have been largely disregarded in economics. While it is possible to learn, it is more difficult, and sometimes impossible, to unlearn. This retention effect lowers individual utility directly or via reduced productivity, andnadds costs to principal-agent relationships. The imprinting effect states that the more one...
Institution partenaire
English / 01/10/2004
The Importance of Firms in Wage Determination
Firms are central to many theories of the labor market. However, the actual degree to which firms shape the structure of wages is still not well understood. This paper investigates (i) the importance of firms in explaining wage differences across individuals and industries, and (ii) how the nature of interfirm mobility - job-to-job vs. job-unemployment-job - affects the relative...
Institution partenaire
English / 01/10/2004
Contest success function with the possibility of a draw: axiomatization
In imperfectly discriminating contests the contestants contribute effort to win a prize but the highest contributed effort does not necessarily secure a win. The contest success function (CSF) is the technology that translates an individual's effort into his or her probability of winning. This paper provides an axiomatization of CSF when there is the possibility of a draw (the...
Institution partenaire
English / 01/10/2004
The Role of Direct Democracy and Federalism in Local Power
"Alienation to politics weakens political competition and can undermine the acceptance and legitimacy of democracy as a political system. Governance andnrepresentation problems at the local level cause part of citizens’ lack of power andnpolitical alienation. Citizens have local power if they can process so that its outcomes are closer to their preferences and if they...
Institution partenaire
English / 01/10/2004
Demokratische Beteiligung und Staatsausgaben: Die Auswirkungen des Frauenstimmrechts
In dieser Arbeit werden die Auswirkungen des Frauenstimmrechts auf die Staatsausgaben in den Kantonen der Schweiz untersucht. Anhand dieser institutionell bedingten Veränderung des Elektorats studieren wir den Zusammenhang zwischen repräsentierten Bürgerpräferenzen und dem Ergebnis des politischen Prozesses. Da Frauen imnDurchschnitt einkommensärmer sind als Männer, steigt mit ihrer...
Institution partenaire
English / 01/10/2004
Efficient elicitation of utility and probability weighting functions
Elicitation methods in decision making under risk allow a researcher to infer thensubjective utilities of outcomes as well as the subjective weights of probabilities from observed preferences of an individual. An optimally efficient elicitation method is proposed, which takes into account the inevitable distortion of preferences by random errors and minimizesnthe effect of such...
Institution partenaire
English / 01/10/2004
Deductible or Co-Insurance: Which is the Better Insurance Contract under Adverse Selection?
The standard solution to adverse selection is the separating equilibrium introduced by Rothschild and Stiglitz. Usually, the Rothschild-Stiglitz argument is developed in a model that allows for two states of the world only. In this paper adverse selection is dis-cussed for continuous loss distributions. This gives rise to the new problem of finding the proper form of an insurance...
Institution partenaire
English / 01/10/2004
Betriebliche Personalpolitik im technologischen und organisatorischen Innovationsprozess
Technologische und organisatorische Innovationen stellen heutzutage große Anforderungen an eine moderne Personalpolitik und andere Bereiche der Unternehmenspolitik. Sie können auf betriebliche Geschäftsstrategien ebenso Einfluss ausüben wie auf die Veränderung von Unternehmensgrenzen und ziehen in der Regel erhebliche personelle Konsequenzen in quantitativer und qualitativer Hinsicht...
Institution partenaire
Deutsch / 15/09/2004
Risikoausgleich – verkanntes Stiefkind: Eine Schlüsselgrösse im System des KVG
Neun Jahre Wettbewerb unter den Krankenversicherungen brachten nicht die erhofften kostendämpfenden Effekte. Schuld daran ist, wie der Autor des folgenden Beitrags darlegt,
eine verfehlte Wettbewerbsregulierung, die dem sogenannten Risikoausgleich zwischen den Krankenversicherern zu wenig Beachtung schenkt.
Institution partenaire
Deutsch / 03/09/2004
Does Marriage Make People Happy, Or Do Happy People Get Married
This paper analyzes the causal relationships between marriage and subjective well-being in a longitudinal data set spanning 17 years. We find evidence that more happy singles opt more likely for marriage and that there are large differences in the benefits from marriage between couples. Potential, as well as actual, division of labor seems to contribute to spouses' well-being,...
Institution partenaire
English / 01/09/2004
The Effect of Sunk Costs on the Outcome of Alternating-Offers - Bargaining between Inequity-Averse Agents
The paper analyzes the infinite-horizon alternating-offers bargaining game between agents with inequity-averse preferences. Without prior investments,nthe model predicts a shift of the outcome towards equal division. Asymmetricninvestments affect the ex-post bargaining outcome, giving an advantage to the party that contributed more. Under suitable circumstances, this effectnmay...
Institution partenaire
English / 01/09/2004
Why qualifications at the Olympics?
"The optimal contest architecture for symmetric imperfectly discriminating contests isnshown to be generically the two-stage tournament (rather than the one-stage contest). In the first stage the contestants compete in several parallel divisions for the right to participate in the secondnstage. In the second stage the short-listed finalists compete for the prize. Given a...
Institution partenaire
English / 01/09/2004
How Changes in Financial Incentives Affect the Duration of Unemployment
This paper studies how changes in the two key parameters of unemployment insurance-the benefit replacement rate (RR) and the potential benefit duration (PBD)-affect the duration of unemployment. To identify such an effect we exploit a policy change introduced in 1989 by the Austrian government, which affected various unemployed workers differently: a first group experienced an...
Institution partenaire
English / 01/09/2004
Willingness-to-pay Against Dementia: Effects of Altruism Between Patients and Their Spouse Caregivers
Objectives - Preferences of both Alzheimer patients and their spouse caregivers are related to a willingness-to-pay (WTP) measure which is used to test for the presence of mutual (rather than the conventional one-way) altruism. Methods - Identical contingent valuation interviews were conducted in 2000 - 2002 for 126 Alzheimer patients and their caregiving spouses living in the Zurich...
Institution partenaire
English / 01/09/2004
Endogenizing Private Information: Incentive Contracts under Learning By Doing
This paper investigates the design of incentives in a dynamic adverse selection framework when agents’ production technologies display learning effects and agents’ rate of learning is private knowledge. In a simple two-period model with full commitment available to the principal, we show that whether learning effects are over- or under-exploited crucially depends on whether learning...
Institution partenaire
English / 01/09/2004
Selbstdispensation: Kosten treibender oder Kosten dämpfender Faktor?
Ein Blick in die Literatur zeigt: Der Einfluss der Selbstdispensation(SD) auf die Medikamentenkosten ist äusserst umstritten. Die vorliegende Arbeit unterzieht diesen Zusammenhang einer erneuten Prüfung.
Institution partenaire
Deutsch / 01/09/2004
Stress That Doesn't Pay: The Commuting Paradox
People spend more and more time commuting and often find it a burden.nAccording to economics, the burden of commuting is chosen when compensated eithernon the labor or on the housing market so that individuals' utility is equalized. However, inna direct test of this strong notion of equilibrium, we find that people with longerncommuting time report systematically lower...
Institution partenaire
English / 01/08/2004
A Learning Theory for the Harsanyi's Doctrine in Repeated Games
This paper investigates simultaneous learning about both nature and others' actions in repeated games, and identifies a set of sufficient conditions assuring that equilibrium actions converge to a Nash equilibrium.nPlayers have each an utility function over infinite histories continuous for the product topology. Nature' drawing after any history can depend on any past...
Institution partenaire
English / 01/08/2004
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