Robert C. Merton

Lore & Background

Robert Cox Merton is an American economist and Nobel laureate, born in New York City to sociologist Robert K. Merton and Suzanne Carhart. He earned a B.S. in engineering mathematics from Columbia University, an M.S. from the California Institute of Technology, and a Ph.D. in economics from MIT in 1970 under Paul Samuelson. Merton joined the MIT Sloan School of Management faculty in 1970, moved to Harvard University in 1988 as George Fisher Baker Professor of Business Administration, and later became the John and Natty McArthur University Professor before returning to MIT Sloan in 2010 as the School of Management Distinguished Professor of Finance. He is best known for pioneering continuous-time finance, including the first continuous-time option pricing model, the Black–Scholes–Merton model, for which he shared the 1997 Nobel Memorial Prize in Economic Sciences with Myron Scholes. His research spans lifecycle finance, optimal intertemporal portfolio selection, capital asset pricing, and risky corporate debt. Merton served on the board of Long-Term Capital Management (LTCM), a highly leveraged hedge fund that collapsed in 1998, requiring a $3.6 billion bailout from 14 banks. He has also been a Resident Scientist at Dimensional Fund Advisors since 2010, focusing on pension management. His honors include the inaugural Financial Engineer of the Year Award (1993), membership in the National Academy of Sciences (1993), and the presidency of the American Finance Association (1986).

Reader's Guide

Merton’s research has fundamentally reshaped modern finance, particularly through his work on continuous-time finance and the Black–Scholes–Merton model, which provided the first continuous-time method for pricing options and other derivative securities. This contribution earned him the 1997 Nobel Memorial Prize in Economic Sciences, shared with Myron Scholes. Beyond derivatives, his theoretical work spans optimal intertemporal portfolio selection, capital asset pricing, risky corporate debt, and loan guarantees. He has also written extensively on the operation and regulation of financial institutions. In practice, Merton co-founded Long-Term Capital Management (LTCM), a highly leveraged hedge fund that collapsed in 1998 after four years of high returns, losing $4.6 billion and requiring a $3.6 billion bailout from 14 banks, brokered by the Federal Reserve Bank of New York. Earlier, in 1968, his advisor Paul Samuelson brought him to the Arbitrage Management Company, the first known computerized arbitrage trading hedge fund. Merton’s current academic focus includes lifecycle investing and retirement funding, measuring and monitoring systemic risks in macrofinance, and financial innovation alongside changing dynamics in financial institutions. He is the author of *Continuous-Time Finance* and co-author of several books, and served as a founding co-editor of the *Annual Review of Financial Economics* from 2009 to 2021. His work bridges theory and practice, recognized by the inaugural Financial Engineer of the Year Award (1993) and inductions into the Derivatives Hall of Fame (1998) and Risk Hall of Fame (2002).

Did You Know?

• Merton was awarded the Nobel Memorial Prize in Economic Sciences in 1997 with Myron Scholes for developing a method to determine the value of derivative securities.
• He was on the board of directors of Long-Term Capital Management, which required a $3.6 billion bailout from 14 banks in 1998.
• Merton's first professional association with a hedge fund was in 1968, when Paul Samuelson brought him onto the Arbitrage Management Company.