American economist wins a Nobel Prize

George Stigler, an American at the University of Chicago, won the 1982 Nobel Memorial Prize for Economics for his work on the market effects of regulatory policies, the Royal Swedish Academy of Sciences announced.

The academy said in its citation that Mr. Stigler won the $150,000 prize in memory of Alfred Nobel for ''his seminal studies of industrial structures, functioning of markets, and causes and effects of public regulation.'' He was also recognized as a pioneer of research into the relationship between economics and law.