Do threats of pharmaceutical price regulation affect subsequent research and development (R&D) spending? This study uses the Clinton administration’s Health Security Act (HSA) of 1993 as a natural experiment to study this issue. We link events surrounding the HSA to pharmaceutical stock price...

In this paper, we examine the behavior of the bid-ask spreads of initial public offerings of common stocks (IPOs) in the over-the-counter market. We find that, in the initial aftermarket, the quoted percentage bid-ask spreads for IPOs are, on average, about threefourths as large as those for...