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The rise of the East and the Far East: German labor markets and trade integration

We analyze the effects of the unprecedented rise in trade between Germany and "the East" – China and Eastern Europe – in the period 1988 – 2008 on German local labor markets. Using detailed administrative data, we exploit the cross-regional variation in initial industry structures and use trade flows of other high-income countries as instruments for regional import and...

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English / 01/08/2013

Tax-adjusted discount rates: a general formula under constant leverage ratios tax-adjusted discount rates

Cooper and Nyborg (2008) derive a tax-adjusted discount rate formula under a constant proportion leverage policy, investor taxes and risky debt. However, their analysis assumes zero recovery in default. We extend their framework to allow for positive recovery rates. We also allow for differences in bankruptcy codes with respect to the order of priority of interest payments versus...

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English / 28/07/2013

Der Liberalismus und die Logik des Finanzsektors

Die Privatisierung von Gewinnen und die Sozialisierung von Verlusten der "Too big to fail"-Banken widersprechen den Grundprinzipien des Liberalismus.

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Deutsch / 01/07/2013

Three solutions to the pricing kernel puzzle

The pricing kernel is an important link between economics and finance. In standard models of financial economics, it is proportional to the aggregate marginal utility in the economy. We first show that none of the three standard assumptions (completeness, risk aversion, and correct beliefs) is needed for the pricing kernel to be generally decreasing. If at least one of the three...

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English / 01/07/2013

Tradable permits schemes and new technology adoption

In this paper technology adoption behaviour under (regulatory) no-anticipation of new technology, and imperfect competition in a tradable permits scheme (rents market) is investigated. The inter-dependence between the incentive to adopt a new technology and the allowance price is explicitly modelled. A firm's longterm incentives to adopt a new technology depend on the future...

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English / 01/07/2013

How can governments borrow so much?

Traditional models of sovereign debt assume that governments seek to maximize the long terminterests of their countries.We assume instead that governments borrow and default according to their own political interests. In particular they often have limited horizons and are reluctant to default strategically. This allows us to define a maximum sustainable debt to GDP ratio, and compute...

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English / 01/07/2013

Optimal risk-exposure management with costly refinancing opportunities

In this paper the decisions of a firm's manager, in terms of exposure to a profitable but risky technology, distribution of dividends and (costly) re-injection of cash to ward off bankruptcy are studied. The analysis of the manager's optimal choices is done via a value function whose state variable is the firm's current level of reserves. Contingent on whether...

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English / 01/07/2013

The finite-time horizon/Stochastic interest rate - Jeanblanc-Shiryaev model

In this paper the optimal consumption strategy of an investor who owns a fixed sized risky project is studied. The cash flows generated by the risky project follow an arithmetic Brownian motion, and the investor earns interest on cash reserves. The short-rate may be stochastic, and the time horizon may be finite. This results in a family of Hamilton-Jacobi-Bellman variational...

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English / 01/07/2013

Organizational control systems and pay for performance in the public service

Under certain conditions, output related performance measurement and pay-for-performance produce negative outcomes. We argue that in public service, these negative effects are stronger than in the private sector. We combine Behavioural Economics and Management Control Theory to determine under which conditions this is the case. We suggest as alternatives to the dominant output...

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English / 01/07/2013

Heisst "gut" publiziert auch "gute" Publikation. Über die Rolle des Impact Faktors in der Wissenschaft

Qualitätsbeurteilung in der Wissenschaft geschieht vorwiegend über Publikationslisten. Je mehr Beiträge jemand in Zeitschriften mit hohem Impact Factor hat, umso besser für die Karriere. Aber was sagt ein hoher Impact Factor einer wissenschaftlichen Zeitschrift wirklich über die Qualität einer publizierten Arbeit aus?

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Deutsch / 01/07/2013

Spectrum estimation: a unified framework for covariance matrix estimation and PCA in large dimensions

Covariance matrix estimation and principal component analysis (PCA) are two cornerstones of multivariate analysis. Classic textbook solutions perform poorly when the dimension of the data is of a magnitude similar to the sample size, or even larger. In such settings, there is a common remedy for both statistical problems: nonlinear shrinkage of the eigenvalues of the sample...

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English / 01/07/2013

Can we see inside? Predicting strategic behavior given limited information

Evolutionary theory predicts that observable traits should evolve to reliably indicate unobservable behavioral tendencies in coordination games but not social dilemmas. We conducted a two-part study to test this idea. First, we recorded 60-s videos of participants, and then these participants played a stag hunt game or a prisoner’s dilemma. Subsequently, raters viewed these videos,...

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English / 01/07/2013

Market experience is a reference point in judgments of fairness

People's desire for fair transactions can play an important role in negotiations, organizations, and markets. In this paper, we show that markets can also shape what people consider to be a fair transaction. We propose a simple and generally-applicable model of path-dependent fairness preferences, in which past experiences shape preferences, and we experimentally test the model...

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English / 01/07/2013

Caught in the Bulimic Trap?: Persistence and State Dependence of Bulimia Among Young Women

Bulimia nervosa (BN) is a growing health concern and its consequences are especially serious given the compulsive nature of the disorder. However, little is known about the mechanisms underlying the persistent nature of BN. Using data from the NHLBI Growth and Health Study and
instrumental variable techniques, we document that unobserved heterogeneity plays a role in the...

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English / 01/07/2013

Do banks benefit from internationalization? Revisiting the market power–risk nexus

We analyze the impact of bank internationalization on domestic market power (Lerner index) and risk for German banks. Risk is measured by the official declaration of regulatory authorities that a bank is distressed. We distinguish the volume of foreign assets, the number of foreign countries, and different modes of foreign entry. Our analysis has three main results. First, higher...

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English / 01/07/2013

Pattern classification of response inhibition in ADHD: Toward the development of neurobiological markers for ADHD

The diagnosis of Attention Deficit Hyperactivity Disorder (ADHD) is based on subjective measures despite evidence for multisystemic structural and functional deficits. ADHD patients have consistent neurofunctional deficits in motor response inhibition. The aim of this study was to apply pattern classification to task-based functional magnetic resonance imaging (fMRI) of inhibition,...

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English / 01/07/2013

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