Shumway, Tyler; Warther, Vincent A. - In: Journal of Finance 54 (1999) 6, pp. 2361-2379
We investigate the bias in CRSP's Nasdaq data due to missing returns for delisted stocks. We find that the missing returns are large and negative on average, and that delisted stocks experience a substantial decrease in liquidity. We estimate that using a corrected return of - 55 percent for...