Beasley, M., 1996. An empirical analysis between the board of director composition and ®nancial statement fraud. The Accounting Review 71 (4), 443±466. Bhagat, S., Black, B., 1999. The uncertain relationship between board composition and ®rm performance. Business Lawyer 54 (3), 921±946. Blue Ribbon Committee, 1999. Report on improving the eectiveness of corporate audit committees. Business Lawyer 54 (4), 1067±1096. Borokhovich, K., Parrino, R., Trapani, T., 1996. Outside directors and CEO selection. Journal of Financial and Quantitative Analysis 31 (3), 337±355. Brickley, J., Coles, J., Jarrell, G., 1997. Leadership structure: separating the CEO and chairman of the board. Journal of Corporate Finance 3 (3), 189±220. Brickley, J., Coles, L., Terry, R., 1994. Outside directors and the adoption of poison pills. Journal of Financial Economics 34 (3), 371±390. Byrd, J., Hickman, A., 1992. Do outside directors monitor managers? Evidence from tender oer bids. Journal of Financial Economics 32 (4), 195±221. Cotter, J., Shivdasani, A., Zenner, M., 1997. Do independent directors enhance target shareholder wealth during tender oers?. Economics 43 (2), 195±218.