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 …

' financial systems from advanced economies. Key areas of development focus should be (i) balancing regulation and innovation, (ii …