Using additions of NYSE- and Nasdaq-listed firms to the S&P 500, between 1989 and 2000, we explore the price effects of noninformation related demand shocks. After controlling for various firm characteristics, index fund growth, and arbitrage risk, we find that NYSE stocks suffer less pronounced...

We present an analytical survey of the explanations-price pressure, downward-sloping demand curves, improved liquidity, improved operating performance, and increased investor awareness-for the increase in stock value associated with inclusion in the S&P 500 Index. We find that increased investor...

"This paper examines whether the presence of interlocked directors on a board is associated with weak governance. For a sample of 3,566 firm-years spanning 2001 to 2003, we find that firms with lower industry-adjusted firm performance are more likely to have interlocked directors. We document...