Authors: Bettis, JC Bizjak, JM Lemmon, ML

Citation: Jc. Bettis et al., Managerial ownership, incentive contracting, and the use of zero-cost collars and equity swaps by corporate insiders, J FIN QU AN, 36(3), 2001, pp. 345-370

Authors: Bettis, JC Coles, JL Lemmon, ML

Citation: Jc. Bettis et al., Corporate policies restricting trading by insiders, J FINAN EC, 57(2), 2000, pp. 191-220