Unique to the world, China adopts a “T+1 trading rule”, which prevents investors from selling stocks bought on the same day. We develop a dynamic price manipulation model to study the effects of the “T+1 trading rule”. Compared to the “T+0 trading rule”, which allows investors to buy...

This paper develops a model in which an optimal capital structure and an optimal debt maturity are jointly determined in a stochastic interest rate environment. The model yields leverage ratios that are consistent in spirit with empirical observations. The maturity and the credit spread of an...

When investors have differences of opinion about the payoffs of a stock, Harrison and Kreps (1978) demonstrate the existence of a speculative bubble in the stock price, that is, the stock price can exceed the valuation of the most optimistic investor. A crucial condition that supports this...

Asset substitution and underinvestment are two of the most discussed agency problems in finance. A recent empirical study by Graham and Harvey (2001), however, finds little evidence that corporate executives are concerned about asset substitution and underinvestment problems when they make...