James M. Poterba is Mitsui Professor in the Department of Economics at MIT. He has been Director of the NBER Public Economics Research Program since 1991 and has edited volumes 6-20 of Tax Policy and the Economy.
The returns on social security contributions for postwar Americans, Laurence Kotlikoff et al; tax rules and nonprofit institutions, James Hines; the lifetime incidence of medicare, Mark McClellan and Jonathan Skinner; distributional effects of social security reforms, Don Fullerton, Julia Coronado and Thomas Glass; tobacco taxes and public policy to discourage smoking, William Evans, Jeanne Ringel and Diana Strech.