Seth Klarman, A Margin of Safety: Risk-Averse Value Investing for the Thoughtful Investor (New York, 1991).

Michael Jensen and William H. Meckling, “Theory of the Firm: Managerial Behavior, Agency Costs and Ownership Structure”, Journal of Financial Economics 3, no. 4 (1976), pp. 305–60; Bengt Holmström and Paul Milgrom, “Multitask Principal-Agent Analyses: Incentive Contracts, Asset Ownership, and Job Design”, Journal of Law, Economics, & Organization [Special Issue: Papers from the Conference on the New Science of Organization, January 1991] 7 (1991), pp. 24–52; Charles Wheelan, Naked Economics, rev. ed. (New York, 2010), pp. 39–43.