EU enlargement offers significant welfare gains to old and new member states. However, these welfare gains do not come automatically but have to be earned by appropriate adjustments in domestic policies. This is particularly relevant for Germany's New Laender, which could benefit from the...

Korruption ist ein globales Phänomen, das vor allem für viele Entwicklungsländer als Wachstumsbremse wirkt. Der Beitrag zeigt, wie man mittels eines einfachen industrieökonomischen Modells die Wirkungsmechanismen der Korruption analysieren kann. Korruption hält Unternehmen vom Markteintritt...

Dieser Beitrag setzt sich mit dem Verhältnis von Schattenwirtschaft und Korruption auseinander. Es wird insbesondere die Frage untersucht, welche Rolle die Schattenwirtschaft in korrupten Ökonomien spielt. Die Schattenwirtschaft begrenzt letztendlich die Macht korrupter Institutionen, indem...

Political connections between firms and autocratic regimes are not secret and often even publicly displayed in many developing economies. We argue that tying a firm's available rent to a regime’s survival acts as a credible commitment forcing entrepreneurs to support the government and to...

This paper develops a simple framework to analyze the links between corruption and the unofficial economy and their implications for the official economy. In a model of self-selection with heterogeneous entrepreneurs, we show that the entrepreneurs' option to flee to the underground economy...

This paper provides a simple model of corruption dynamics with the ratchet effect. Corrupt officials have ex post the incentive to price discriminate entrepreneurs based on the entry decisions made in an earlier period. The inability of government officials to commit to future money demands...

This paper provides a simple model of repeated extortion. In particular, we ask whether corrupt government officials' ex post opportunism to demand more once entrepreneurs have made sunk investments entails further distortion in resource allocations. We show that the inability of government...