In this paper we examine the quantitative effects of margin regulation on volatility in asset markets. We consider a general equilibrium in finite-horizon economy with heterogeneous agents and collateral constraints. There are two assets in the economy which can be used as collateral for...

As exemplified by the dramatic failure of AIG, insurance companies and their affiliates played a central role in the 2008 global financial crisis. It is therefore not surprising that the Dodd-Frank Act — the United States' primary legislative response to the crisis — contained an entire...

The failure to spot emerging systemic risk and prevent the current global financial crisis warrants a reexamination of the approach taken so far to crisis prevention. The paper argues that financial crises can be prevented, as they build up over time due to policy mistakes and eventually erupt...

Dieser Beitrag liefert für die aktuelle wissenschaftliche und politische Regulierungsde-batte der Kapitalmärkte drei Argumente: (1) Der Beitrag präsentiert zuerst einen konzep-tionellen Ansatz, der zwischen sozial erwünschten und sozial schädlichen Folgen des In-siderhandels differenziert....

The economic crisis triggered by the COVID-19 outbreak has severely affected the global economy. The ultimate scale of the recession is yet to be determined, but it is likely to be the most dramatic slump sinceWorldWar II. The impact of the crisis on the financial sector, especially consumer...