The question of whether two drugs - namely alcohol and tobacco - are used as complements or substitutes is of crucial interest if side-effects of anti-smoking policies are considered. Numerous papers have empirically addressed this issue by estimating demand systems for alcohol and tobacco and...

There is an intensive debate about old-age poverty in Germany that has induced political parties to develop proposals for higher pensions of poor pensioners in light of the federal elections of September 2013. In addition, several proposals from economists aim at reforming the pension system in...

Using quarterly data for German counties, we study how housing prices and offers respond to higher transaction costs induced by tax increases. Since 2006, states can set their own tax rates on real estate transfers. Several and substantial tax hikes generate variation across time and states...

In this paper, we extend Henning Bohn's (2008) fiscal sustainability test by allowing for slope heterogeneity and cross-sectional dependence (CD). In particular, our econometric approach is the first that allows fiscal reaction functions (FRF) to capture unobserved heterogeneous effects from...

[Die aktuelle Diskussion um eine Reform des Gesetzes] 1. Im Koalitionsvertrag von CDU/CSU und SPD wurde eine Überprüfung des Gesetzes zur Förderung der Stabilität und des Wachstums der Wirtschaft vereinbart: „Die erste Große Koalition vor fast 50 Jahren hat als Antwort auf die damalige...

This paper assesses the possible development of government interest expenditures as a share of GDP for Germany, France, Italy and Spain. Until 2021, these and other member states could anticipate a further reduction of interest expenditure in the future. This outlook has changed considerably...

Die Weltwirtschaft befindet sich inmitten eines umfassenden Umbruchs, getragen vom hohen disruptiven Potenzial der Digitalisierung. In Deutschland wird vor allem die Digitalisierung des Verarbeitenden Gewerbes („Industrie 4.0“) als möglicher Auslöser einer neuen industriellen Revolution...