Das DIW Berlin rechnet zum Jahresende mit einer Stabilisierung der wirtschaftlichen Entwicklung. Voraussetzung für eine konjunkturelle Stabilisierung ist jedoch eine Rückkehr des Vertrauens in die Finanzmärkte: Hierfür sind strukturelle Reformen und eine wirksame Regulierung des...

Does the mere presence of big banks affect macroeconomic outcomes? In this paper, we develop a theory of granularity (Gabaix, 2011) for the banking sector, introducing Bertrand competition and heterogeneous banks charging variable markups. Using this framework, we show conditions under which...

Does the mere presence of big banks affect macroeconomic outcomes? Gabaix (2011) shows that idosyncratic shocks can have aggregate effects if the distribution of firm sizes in manufacturing follows a power law distribution. Our contribution is two-fold. First, we expand the theory of granularity...

A key challenge for economic policy today is to make the financial system more resilient. The literature finds that high indebtedness (or: leverage), both in the financial and in the real sectors, is a danger to macroeconomic stability and growth. Moreover, the design of the corporate tax system...

The paper analyzes the effects of changes to regulatory policy and to monetary policy on cross-border bank lending since the global financial crisis. Cross-border bank lending has decreased, and the home bias in the credit portfolio of banks has risen sharply, especially among banks in the euro...