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On the Equivalence of Bayesian and Dominant Strategy Implementation in a General Class of Social Choice Problems

We consider a standard social choice environment with linear utilities and independent, one-dimensional, private values. We provide a short and constructive proof that for any Bayesian incentive compatible mechanism there exists an equivalent dominant strategy incentive compatible mechanism that delivers the same interim expected utilities for all agents. We demonstrate the...

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English / 01/07/2011

The gender pay gap and performance pay: Is there room for discrimination?

Although discrimination is the most prominent explanation for the gender pay gap, studies providing conclusive evidence are scarce. This paper examines whether discrimination is less severe under performance pay than under time-based pay. To identify an external and measurable source of discrimination we exploit the variation of social norms regarding equal pay for equal work across...

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English / 25/06/2011

Incentive effects of bonus taxes

Several countries have implemented bonus taxes for corporate executives in
response to the financial crisis of 2007-2010. Using a principal-agent model, this
paper analyzes how bonus taxes affect the agent's effort, compensation package,
tax revenue and social welfare. We show that, contrary to its intention, a bonus
tax may even increase the bonus rate...

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English / 18/06/2011

Time-varying international diversification and the forward premium

This paper reproduces the slope of the uncovered interest rate parity (UIP) regression for six different country pairs within one standard deviation under rational
expectations.
While standard theory predicts a slope of one, the empirically observed slope of the regression of currency returns on the interest rate differential between two
countries is negative for...

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English / 10/06/2011

The informational contents of announcements on verified emissions in the EU ETS - An empirical investigation using a multi-country event study approach

Empirical studies on the relation of the European Union Emissions Trading Scheme (EU ETS)
and its impact on stock prices of affected companies concentrate so far mostly on the mechanism
between emissions allowance (EUA) price and stock returns. This study in contrast examines the
relation of stock returns and the announcement on verified emissions (VE). We use event...

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English / 09/06/2011

Wie ein Frosch im Wasser

An den Finanzmärkten kommt es laufend zu Über- und Unterreaktionen. Daraus zieht Profit, wer zwischen Megaschocks und Megatrends unterscheiden kann.

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Deutsch / 04/06/2011

Welche Messgrösse darf es sein?

Die Interpretation der finanziellen Ergebnisse von
internationalen Konzernen ist anspruchsvoll, der perfekte
Leistungsausweis eine Illusion. Woran sich Investoren dennoch orientieren können.

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Deutsch / 01/06/2011

Reconsidering the analysis of longitudinal happiness data - with an application to the effect of unemployment

The paper reconsiders existing estimators for the panel data fixed effects ordered logit model, including one that has not been used in econometric studies before, and studies
the small sample properties of these estimators in a series of Monte Carlo simulations. There are two main findings. First, we show that some of the estimators used in the literature are inconsistent....

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English / 01/06/2011

Der Mythos vom "Abzocker" und die ökonomische Realität. Die Entwicklung der Managerlöhne in grossen Publikumsfirmen im vergangenen Jahrzehnt rechtfertigt keine Regulierung

Die Debatte über Managerlöhne und mögliche Regulierungen hält an. Der Autor schlägt im Folgenden vor, die Entlöhnung relativ zu Gewinn oder Marktwert des Unternehmens zu messen.

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Deutsch / 27/05/2011

Der Mythos vom "Abzocker" und die ökonomische Realität. Die Entwicklung der Managerlöhne in grossen Publikumsfirmen im vergangenen Jahrzehnt rechtfertigt keine Regulierung

Die Debatte über Managerlöhne und mögliche Regulierungen hält an. Der Autor schlägt im Folgenden vor, die Entlöhnung relativ zu Gewinn oder Marktwert des Unternehmens zu messen.

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Deutsch / 27/05/2011

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