We examine how corporate transparency and financing choices differ for family and nonfamily firms in the S&P 1500 Index. While transparency on average is better for firms in the S&P 500 Index than for firms in the S&P MidCap 400 and S&P SmallCap 600 indices, the improvement is much larger for family firms. Outside the S&P 500, family firms are less transparent than their non-family counterparts...