We study an optimal contracting problem between shareholders and managers when managers' effort choices are hidden but on which stock market prices reveal some information. When the stock market rewards winners and punishes losers within an industry, stock-based incentive generates a tournament...

We study experimental markets in which participants face incentives modeled upon those prevailing in markets for managed funds. Each participant's portfolio is periodically evaluated at market value and ranked in a league table according to short-term paper returns. Those who rank highly attract...