In this paper we examine the quantitative effects of margin regulation on volatility in asset markets. We consider a … of collateral constraints leads to strong excess volatility. Thus, a regulation of margin requirements may have … stabilizing effects. However, in line with the empirical evidence on margin regulation in U.S. stock markets, we show that changes …

In this paper we examine the quantitative effects of margin regulation on volatility in asset markets. We consider a … of collateral constraints leads to strong excess volatility. Thus, a regulation of margin requirements may have … stabilizing effects. However, in line with the empirical evidence on margin regulation in U.S. stock markets, we show that changes …

-horizon asset-pricing model with heterogeneous agents. In our model, the ability of agents to reuse frees up collateral that can be …

-horizon asset-pricing model with heterogeneous agents. In our model, the ability of agents to reuse frees up collateral that can be …