failed to influence—federal securities regulation and state corporate law, and the prospective roles for the EMH in these … contexts. In federal securities regulation, the EMH has offered a theoretical construct to accompany the general belief in the …

remaining challenges are addressed, capital regulation can be a powerful tool for enhancing the role of banks in the economy …

In this paper we examine the quantitative effects of margin regulation on volatility in asset markets. We consider a … presence 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 …