For more than two decades, the theory of markets with asymmetric information has been a vital and lively field of economic research. Today, models with imperfect information are indispensable instruments in the researcher's toolbox. Countless applications extend from traditional agricultural...

Prize Lecture to the memory of Alfred Nobel, December 9, 1996.

Prize Lecture, December 27, 1996

I was born in Gary, Indiana, at the time, a major steel town on the southern shores of Lake Michigan, on February 9, 1943. Both of my parents were born within six miles of Gary, early in the century, and continued to live in the area until 1997. I sometimes thought that my perignations made up...

Interviewers are Professor Karl-Gustaf Lofgren and Anne-Sophie Crepin, graduate student, Umea University.

Akerlof, Spence and Stiglitz's analyses form the core of modern information economics. Their work transformed the way economists think about the functioning of markets. The analytical methods they suggested have been applied to explain many social and economic institutions, especially different...