This paper analyzes the safety-first portfolio model under two different target assumptions, the fixed target, which is commonly assumed in the literature, and the random target, which has played only a minor role so far. As both targets can be easily motivated, the open question is, which...

This study seeks to explain country differences in the performance at the International Mathematical Olympiad. Hypotheses on the relationship between, on one hand, performance at the Olympiads and, on the other, population size and dynamics, economic resources, human capital, schooling quantity...

This paper examines the effects of the distribution of unemployment by age on the level of unemployment. We provide an extension of the standard equilibrium unemployment model that allows for age dependent job finding probabilities and quit rates. In the empirical part of the paper we apply a...

The present paper investigates the number of bank relationships of small and medium-sized enterprises in Switzerland using survey data from 1996 and 2002. We differentiate between overall bank relationships and lending relationships and disaggregate the loan market with respect to firm sizes,...

This paper investigates the performance and efficiency of the public sector in 74 countries worldwide for the years 1985, 1990, 1995 and 2000. Similar to what is done in Afonso / Schuhknecht / Tanzi (2005, Public Choice), I calculate performance measures for various fields of government policy,...

This paper investigates the role of published stock recommendations in print and online media as investor sentiment in the near-term German stock market. In line with extant literature on other sentiment measures, vector autoregressions reveal that past stock returns drive today's sentiment, but...

Commodities do not only serve the purpose of satisfying direct needs in the production and con-sumption process. Some of them can also be used to display social status and to affect the position of an individual in society. This paper addresses the question under which circum-stances...

We consider resource allocation within an organisation and show how delegation bears on moral hazard and adverse selection when agents have a preference for autonomy. Agents may care about autonomy for reasons of job-satisfaction, status or greater reputation when performing well under autonomy....

This paper addresses the question whether increased mobility of capital enhances public-sector modernisation. Public-sector modernisation is modelled as the accumulation of knowledge (or another accumulated production factor) that serves as an input in the government's production of a...

In this paper we investigate the effects of labour market policy on several types of criminal offences for fifteen European countries. The main results are the following: Firstly, the results change markedly if we control for unobserved heterogeneity. In the context of criminal offences the...