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Limited rationality and strategic interaction: the impact of the strategic environment on nominal inertia

Much evidence suggests that people are heterogeneous with regard to their abilities to make rational, forward-looking decisions. This raises the question as to when the rational types are decisive for aggregate outcomes and when the boundedly rational types shape aggregate results. We examine this question in the context of a long-standing and important economic problem: the...

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English / 01/03/2008

On the feasibility of insurers' investment policies

This article calls attention to a difficulty with insurers' investment policies that seems to have been overlooked so far. There is the distinct possibility that insurers cannot satisfy the demands of different stakeholders in terms of expected returns and volatility. While using the capital asset pricing model as the benchmark, this article distinguishes two groups of...

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English / 01/03/2008

Validity and Reliability of Willingness-to-Pay Estimates: Evidence from Two Overlapping Discrete-Choice Experiments

Discrete-choice experiments, while becoming increasingly popular, have rarely been tested for validity and reliability. This contribution purports to provide some evidence of a rather unique type. Two surveys designed to measure willingness-to-accept (WTA) for reform op-tions in Swiss health care and health insurance are used to provide independent information with regard to two...

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English / 01/03/2008

Freiwilligenarbeit in der Firma: ein monetärer und menschlicher Gewinn

Dienst nach Vorschrift ist auf dem Vormarsch. Möchten Firmen von den Mitarbeitern mehr freiwilliges Engagement, müssen sie ihnen mehr Wertschätzung und Mitbestimmung geben.

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Deutsch / 01/03/2008

Le chercheur et l’obligation de rendre des comptes

Le mouvement dit du New Public Management, venu tout droit des pays anglo-saxons, a introduit l’idée de gérer les services publics comme des entreprises, et donc d’utiliser des indicateurs de production comme outils de mesure de la performance. Le monde de la recherche n’échappe pas à ce traitement et doit rendre des comptes. L’article ne porte pas tant sur la question de fond de la...

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Français / 01/03/2008

Paleopathologies of the vertebral column in medieval skeletons

Paleopathological data provide valuable information about health, longevity and mortality in earlier human populations. We investigated the incidence of spinal pathologies on 54 individuals (1045 vertebrae and 18 sacral bones) that belong to a medieval skeletal series discovered in the Dalheim monastery (Northwest Germany) and compared them with contemporary and recent populations....

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English / 01/03/2008

Time-resolved analysis of fMRI signal changes using Brain Activation Movies

Conventional fMRI analyses assess the summary of temporal information in terms of the coefficients of temporal basis functions. Based on established finite impulse response (FIR) analysis methodology we show how spatiotemporal statistical parametric maps may be concatenated to form Brain Activation Movies (BAMs), dynamic activation maps representing the temporal evolution of brain...

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English / 01/03/2008

Liquidity management and overnight rate calendar effects: Evidence from German banks

We document a general pattern in the euro area overnight interbank rate (EONIA) and analyze how German banks compared to other EMU banks respond to these predictable changes in the price for reserve holdings. At the beginning of the maintenance period, when the EONIA is typically above average, we observe that German banks hold substantially less reserves than their daily average...

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English / 01/03/2008

Consumption Risk Sharing over the Business cycle: the role of Small Firms' Access to Credit Markets

Consumption risk sharing among U.S. federal states increases in booms and decreases in recessions. We find that small firms' access to financial markets plays an important role in explaining this stylized fact: business cycle fluctuations in aggregate risk sharing are more pronounced in states in which small firms account for a large share of output. In addition, better access...

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English / 01/03/2008

Openness, Government Size and the Terms of Trade

This paper investigates the relationship between trade openness and the size ofngovernments, both theoretically and empirically. We argue that openness can increase the size of governments through two channels: (1) a terms of trade externality, whereby trade lowers the domestic cost of taxation, and (2) the demand for insurance, whereby trade raises risk and public transfers. We...

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English / 01/03/2008

Qualifying Religion: The Role of Plural Identities for Educational Production

This paper examines the role of religious denomination for human capital formation. We employ a unique data set which covers, inter alia, information on numerous measures of school inputs in 169 Swiss districts for the years 1871/72, 1881/82nand 1894/95, marks from pedagogical examinations of conscripts (1875-1903), andnresults from political referenda to capture conservative or...

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English / 01/03/2008

Ensuring Financial Stability: Financial Structure and the Impact of Monetary Policy on Asset Prices

This paper studies the responses of residential property and equity prices,ninflation and economic activity to monetary policy shocks in 17 countries, using data spanning 1986-2006. We estimate VARs for individual economies and panel VARs in which we distinguish between groups of countries on the basis of the characteristics of their financial systems. The results suggest that using...

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English / 01/03/2008

Heterogeneous Expectations, International Consumption Correlations, and Common Risk Factors in World Stock Markets

This paper establishes a surprising and robust empirical similarity between short-run heterogeneous consumption and long-term consumption growth risk models. The models not only deliver a similar fit on a given set of portfolios, their actual pricing errors are also highly correlated. In addition, we find that consumption dispersion is a robust predictor of the transitory component...

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English / 01/03/2008

The effect of trade openness on optimal government size under endogenous firm entry

This paper analyzes the effect of trade liberalization on government spending in a general equilibrium model with a continuum of industries supplying tradable and nontradable goods under monopolistic competition. Trade liberalization is modeled as the opening up of product markets between two countries, which may differ in total factor productivity, factor endowment and fix cost...

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English / 01/03/2008

Stochastic Expected Utility and Prospect Theory in a Horse Race: A Finite Mixture Approach

This study compares the performance of Prospect Theory versus Stochastic Expected Utility Theory at fitting data on decision making under risk. Both theories incorporate well-known deviations from Expected Utility Maximization such as the Allais paradox or the fourfold pattern of risk attitudes. Stochastic Expected Utility Theory parsimoniously extends the standard microeconomic...

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English / 01/03/2008

Performance Assessments With Microworlds and Their Difficulty

The use of microworlds (MWs), or complex dynamic systems, in educational testing and personnel selection is hampered by systematic measurement errors because these new and innovative item formats are not adequately controlled for their difficulty. This empirical study introduces a way to operationalize an MW's difficulty and demonstrates the strong effects of variations in it. A...

English / 01/03/2008

What you train is what you get? Task requirements and training methods in complex problem solving

The study measured the effect of tested training methods (direct instruction, guided exploration, and a combination of both) on the performance of 497 participants on qualitative and quantitative knowledge tests and control performance task under three complex problem (CP) conditions (easy, medium, difficult). All three methods proved equally suited to meeting the requirements of...

Deutsch / 01/03/2008

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