I develop a structural model of mortgage demand and lender competition to study how leverage regulation affects the … leverage regulation increases the concentration of mortgage originations, as large lenders exploit a regulatory cost advantage … equilibrium in the UK mortgage market. Using variation in risk-weighted capital requirements across lenders and across mortgages …

phenomenon in general and risk arbitrage in particular. Much of the considerable public unease over the scope of corporate … some role in triggering the stock market break of October 19, 1987. This article explores the debate over risk arbitrage … should play in regulating risk arbitrage …