Die Verbindung von Unternehmen ist keine Erscheinung der letzten Jahre. Vielmehr beruht das Konzept der Merger & Akquisition (M&A) auf grundlegenden wirtschaftstheoretischen Theorien, die in der Diskussion allerdings oftmals von populistischen Motiven für die Fusion im vorliegenden Fall...

The question of whether migration can be an equilibrating force in the labour market is an important criterion for an optimal currency area. It is of particular interest currently in the context of high and rising levels of labour market disparities, in particular within the Eurozone where there...

The well-known problem of too many instruments in dynamic panel data GMM is dealt with in detail in Roodman (2009, Oxford Bull. Econ. Statist.). The present paper goes one step further by providing a solution to this problem: factorisation of the standard instrument set is shown to be a valid...

This paper presents a survey on panel data methods in which I emphasize new developements. In particular, linear multilevel models with a new variant are discussed. Furthermore, non-linear, nonparametric and semiparametric models are analyzed. In contrast to linear models there do not exist...

This paper investigates the effects of detailed job characteristics on job satisfaction, job search and quits using data from the German Socio-Economic Panel (GSOEP) in a fixed effects framework. Using a factor analysis, seventeen job characteristics are reduced to seven factors that describe...

Der Beitrag gibt einen Überblick über neuere Entwicklungen bei Schätzmethoden, Instrumentalvariablenansätzen, Paneldatenmodellen sowie nicht- und semiparametrischen Modellen für Mikrodaten, ergänzt um einige Testverfahren aus diesen Bereichen. Besondere Aufmerksamkeit wird auf Probleme mit...

We examine the long-run relationship between fertility, mortality, and income using panel cointegration techniques and the available data for the last century. Our main result is that mortality changes and growth of income per capita account for a major part of the fertility change...

This article develops a socio-economic model that analyzes the doping decision of professional athletes. In their decision to use performance enhancing drugs athletes do not only evaluate the costs and benefits (in terms of potential rank improvement). They also take into account peer-group...

This study validates a survey-based measure of general risk attitude by an incentive compatible experiment among more than 900 participants in rural Thailand. The survey measure of self-assessed risk attitude provides a useful approximation of the experimentally derived risk attitude. This holds...

Portfolio flows channeled via institutional investors were the most dynamic capital flows to emerging markets in the 1990s. We use an asymmetric information framework to derive five propositions, to integrate empirical evidence and to suggest policy implications. Opaque information in emerging...