Deutschland befindet sich in einem harten internationalen Wettbewerb um qualifizierte Arbeitskräfte. Dabei steht der aktuelle Fachkräftemangel nur scheinbar im Gegensatz zu einer anhaltend hohen Arbeitslosigkeit von Geringqualifizierten. Gewichtige demographische Argumente sprechen für eine...

Das "Arbeitsbuch Makroökonomie" bietet Studenten der Wirtschaftswissenschaften eine Fülle von Übungsaufgaben mit Musterlösungen, die den relevanten Lehrstoff von Einführungsveranstaltungen in diesem Themenbereich veranschaulichen und vertiefen. Es bietet eine eigenständige Einführung in...

The paper advocates for a new measure of the ethnic identity of migrants, models its determinants and explores its explanatory power for various types of their economic performance. The ethnosizer, a measure of the intensity of a person's ethnic identity, is constructed from information on the...

This paper uses the concept of ethnic self-identification of immigrants in a two-dimensional framework. It acknowledges the fact that attachments to the home and the host country are not necessarily mutually exclusive. There are three possible paths of adjustment from separation at entry, namely...

The Orange Revolution unveiled significant political and economic tensions between ethnic Russians and Ukrainians in Ukraine. Whether this divide was caused by purely ethnic differences or by ethnically segregated reform preferences is unknown. Analysis using unique micro data collected prior to...

The paper explores the evolution of ethnic identities of two important and distinct immigrant religious groups. Using data from Germany, a large European country with many immigrants, we study the adaptation processes of Muslims and Christians. Individual data on language, culture, societal...

The paper investigates the role of human capital for migrants' ethnic ties towards their home and host countries. Pre-migration characteristics dominate ethnic self-identification. Human capital acquired in the host country does not affect the attachment to the receiving country

Economic Theory, academic policy analysis and public policy design are becoming more interdependent. Hence, the demands for close interactions between the policy community and the research community have been rising significantly. This book assesses how recent economic thinking has advanced...

The notion of optimum population has attracted the attention of economists ever since economics was made a science. Roots can be traced back to ancient Greece. The topic has recently found rising interest among population economists and demographers. The economic concept of optimum population...

New theories of international trade suggest that pro- tectionism can make sense. This finding depends on the in- troduction of market power and increasing returns to scale into the international trade theory. The enormous political implications of this hypothesis have started a large interest in...