Corporate insiders face substantial restrictions on stock sales, but many have viewed receiving tax deductions from charitable donations of stock holdings as an attractive alternative. In fact, empirical evidence consistently indicates that executives even make use of their private information...

A firm's stock price may reveal information that the firm itself might not want to share. In particular, stock price may reveal information about future demand, which when learned by a rival undercuts the firm's competitive position. This paper establishes that when a firm discloses cost...