b. 1958
Sérgio Ribeiro da Costa Werlang is a Brazilian economist and game theorist known for his work on decision theory, epistemic game theory, and Bayesian rationality. He has contributed to the foundations of game theory, particularly regarding common knowledge of rationality and backward induction, and has also served in senior roles at the Central Bank of Brazil.
Co-authored influential work on Knightian uncertainty and non-additive probabilities in economics
Contributed to epistemic foundations of game theory and common knowledge of rationality
Analyzed models of backward induction in extensive-form games
Served as Deputy Governor for Economic Policy at the Central Bank of Brazil
Published extensively on decision theory under ambiguity