From 1966 to 1969 he served as senior economist for the Inter-American Development Bank in Washington.

He also served as chief economist at the U.S. International Trade Commission.

A Democrat, he served as chief economist at the Labor Department in 1994 and 1995.

He also served as senior economist and bank analyst for Deutsche-Bender Securities from 1998 to 2000.

He concurrently served as chief economist at the Economic Recovery Advisory Board.

She previously served as chief economist of the Port Authority.

In 1974 and 1975 he served as senior economist to the President's Council of Economic Advisers.

He continued with the firm until 2001, serving first as research associate, then economist, and finally an economic strategy specialist.

During a leave in the early 1960's he served as chief economist for the Federal Power Commission.

He has served as a visiting professor or economist in Cuba, Peru, and England.