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The thesis is organized as follows. Chapter 2 contains a survey of the three most in‡fluential models on fi…rm heterogeneity and of the most important empirical work on firrm heterogeneity. The chapter starts with a brief review of the homogeneous productivity imperfect competition literature. Chapter 2 …finishes with a comparison of the three most in‡fluential models of fi…rm heterogeneity and the oligopoly model put forward in the thesis. Chapter 3 addresses exporting uncertainty under heterogeneous popularity. Chapter 4 contains the chapter on …firm heterogeneity under oligopoly. Chapter 5 constitutes the models on …firm heterogeneity and endogenous quality. Chapter 6 points out the within-sector specialization model. Chapter 7 addresses the effect of importer characteristics on unit values and the role of markups and quality to explain this effect. Chapter 8 concludes.
The main focus of this thesis is to combine the multiple findings from social psychology and apply them with an economic approach to decision making. To this purpose, we investigate accountability and its interaction with market mechanisms, more specifically real incentives in experimental settings. This PhD thesis is structured as follows. Chapter 2 studies the effect of accountability on ambiguity aversion-the preference for known over normatively equivalent unknown probabilities. Chapter 3 follows up on the ambiguity aversion issue by studying preference reversals under ambiguity. Chapter 4 examines the influence of accountability on risk attitude. Chapter 5 is of a methodological nature. We separate accountability and incentives, and find several effects. Accountability is found to reduce preference reversals between frames, for which incentives have no effect. Incentives on the other hand are found to reduce risk seeking for losses, where accountability has no effect.
Globalization is a complex phenomenon involving the mobility of goods, capital, labour and ideas across country borders. From an economic point of view, two waves of globalization have been identified by scholars so far. The first wave materialized between the second half of the Nineteenth century and WWI; the second wave rose after WWII and gained momentum at the end of the Twentieth century before slowing down in the aftermath of the global financial crisis due to renewed protectionist pressures. This collection of essays studies the implications of this second wave of globalization for national economic performance. In doing so, it takes a bottom-up approach, building up the macroeconomic trajectories from the microeconomic effects of globalization on firms and workers. The collected essays highlight the asymmetry of responses across firms and workers between and within industries as well as territories, thus explaining the forces behind the emergence of 'winners' and 'losers' from globalization. The collection shows how state-of-the-art models of international economics and economic geography can be brought to life by addressing several topical issues in the public debate, ranging from regional growth and regional decline to international competition and creative destruction, from innovation patterns to cultural diversity and from immigration to offshoring.
Warum zahlen manche Firmen nach Tarif, statt die Löhne individuell auszuhandeln? Zahlen Exportfirmen höhere Löhne als Firmen, die nicht exportieren und inwieweit wird dies von institutionellen Rahmenbedingungen bestimmt? Welche Zusammenhänge bestehen zwischen den Lohnstückkosten und der Exportstärke von Unternehmen? Mit diesen und weiteren Fragen befasst sich Andreas Hauptmann im vorliegenden Band. In mehreren Kapiteln legt der Autor dar, dass zwischen Löhnen, Globalisierung und institutionellen Kontextfaktoren vielfältige Wechselwirkungen bestehen.