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Securitization of Mortgage Debt, Asset Prices and International Risk Sharing

We explore the impact of mortgage securitization on the international diversification of macroeconomic risk. By making mortgage-related risks internationally tradeable, securitization contributes considerably to better international consumption risk sharing: we find that countries with the most highly developed markets for securitized mortgage debt have consumption responses to a...

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English / 01/12/2008

Academics Appreciate Awards. A New Aspect of Incentives in Research

This paper analyzes awards as a means of motivation prevalent in the scientific community, but so far neglected in the economic literature on incentives, and discusses their relationship to monetary compensation. Awards are better suited than performance pay to reward scientific tasks, which are typically of a vague nature. They derive their value, for instance, from signaling...

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English / 01/12/2008

Awards in Economics. Towards a New Field of Inquiry

Awards play a large role in the economics profession, which is documented by the large varietynand number of awards. However, little scientific attention has been devoted to them. This paperndocuments the prevalence of awards in the economics profession and analyzes the number and type of awards received by the 1,200 leading economists included in Who’s Who in Economics. First steps...

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English / 01/12/2008

Delay and Deservingness after Winning the Lottery

Economics rests upon a set of presumptions about how human beings are affected by income. Yet causal evidence is scant. This paper reports a longitudinal study of randomly selected lottery winners. Remarkably, we show that it takes almost three years before they enjoy their money. We develop a model of dissonance and deservingness. We argue that, despite the tradition of economics,...

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English / 01/12/2008

Beyond existence and aiming outside the laboratory: estimating frequency-dependent and pay-off-biased social learning strategies

The existence of social learning has been confirmed in diverse taxa, from apes to guppies. In order to advance our understanding of the consequences of social transmission and evolution of behavior, however, we require statistical tools that can distinguish among diverse social learning strategies. In this paper, we advance two main ideas. First, social learning is diverse, in the...

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English / 12/11/2008

Recognition profile of emotions in natural and virtual faces

BACKGROUND: Computer-generated virtual faces become increasingly realistic including the simulation of emotional expressions. These faces can be used as well-controlled, realistic and dynamic stimuli in emotion research. However, the validity of virtual facial expressions in comparison to natural emotion displays still needs to be shown for the different emotions and different age...

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English / 05/11/2008

Aging workforces and challenges to human resource management in German firms

The aim of this paper is to provide an overview of the main challenges imposed by demographic change on the human resource management (HRM) policies of German companies. Although many more aspects of business are affected by demographic change, such as changes in consumption or in savings and investment and therefore in capital costs, we concentrate on changes in personnel policies...

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English / 03/11/2008

Integrated Bayesian models of learning and decision making for saccadic eye movements

The neurophysiology of eye movements has been studied extensively, and several computational models have been proposed for decision-making processes that underlie the generation of eye movements towards a visual stimulus in a situation of uncertainty. One class of models, known as linear rise-to-threshold models, provides an economical, yet broadly applicable, explanation for the...

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English / 01/11/2008

Awards as Incentives

Non-monetary incentives in the form of awards have so far escaped the attention ofneconomists despite their widespread use. This paper presents an experiment conductednonline at IBM to assess the impact of these kinds of extrinsic incentives. Introducing a hypothetical award has statistically significant effects on stated contributions to a publicngood. Our design allows the...

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English / 01/11/2008

Deadlines and distractions

We consider a task, demanding a sequence of efforts, that must be completed by a deadline. Effort is not contractible. Agents face shocks to their opportunity cost of time and are sometimes distracted from work. We show that agents who are often distracted may outperform agents who are distracted less often. The reason is that anticipation of distractions induces agents to start...

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English / 01/11/2008

Imitative Obesity and Relative Utility

If human beings care about their relative weight, a form of imitative obesity can emerge (in which people subconsciously keep up with the weight of the Joneses). Using Eurobarometer data on 29 countries, this paper provides cross-sectional evidence that overweight perceptions and dieting are influenced by a person’s relative BMI, and longitudinal evidence from the German...

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English / 01/11/2008

Contracts as Reference Points Experimental Evidence

In a recent paper, Hart and Moore (2008) introduce new behavioral assumptions that can explain long term contracts and important aspects of the employment relation. However, sonfar there exists no direct evidence that supports these assumptions and, in particular, Hart and Moore’s notion that contracts provide reference points. In this paper, we examine experimentally the behavioral...

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English / 01/11/2008

Death, Happiness, and the Calculation of Compensatory Damages

"This paper studies the mental distress caused by bereavement. The largest emotional losses are from the death of a spouse; the second-worst in severitynare the losses from the death of a child; the third-worst is the death of a parent. The paper explores how happiness regression equations might benused in tort cases to calculate compensatory damages for emotional harm and pain-...

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English / 01/11/2008

Hedonic Capital and the Foundations of Mental Health

This paper suggests a way to think about human well-being and psychological health. It distinguishes between mental stocks and flows. Central to thenanalysis is a concept we refer to as hedonic capital. This can be thought of as a level of emotional coping resources, or as the underlying stock to which the economist’s idea of a flow of utility corresponds. The model replicates the...

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English / 01/11/2008

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