Stephen A. Ross

American economist

Stephen Alan (Steve) Ross (February 3, 1944 – March 3, 2017) is an American economist and Professor of Financial Economics at the MIT Sloan School of Management, known for initiating several important theories and models in financial economics.


  • The relationship of agency is one of the oldest and commonest codified codes of social interaction. We will say that an agency relationship has arisen between two (or more) parties when one, designated as the agent, acts for the other, designated the principal, in a particular domain of decision problems. Examples of agency are universal.
    • Stephen A. Ross "The Economic Theory of Agency: The Principal's Problem," Amer. Econom. Rev., 63 (1973), 134-139; As cited in Eisenhardt (1985, 136)
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