Below is a list of the prizewinners during the period 1981 ? 1990 with a description of the works which won them their prizes: (1981) J TOBIN ? for his analysis of financial markets and their relations to expenditure decisions, employment, production and prices; (1982) G J STIGLER ? for his seminal studies of industrial structures, functioning of markets and causes and effects of public regulation; (1983) G DEBREU ? for having incorporated new analytical methods into economic theory and for his rigorous reformulation of the theory of general equilibrium; (1984) R STONE ? for having made fundamental contributions to the development of systems of national accounts and hence greatly improved the basis for empirical economic analysis; (1985) F MODIGLIANI ? for his pioneering analyses of saving and of financial markets; (1986) J BUCHANAN, JR ? for his development of the contractual and constitutional bases for the theory of economic and political decision-making; (1987) R M SOLOW ? for his contributions to the theory of economic growth; (1988) M ALLAIS ? for his pioneering contributions to the theory of markets and efficient utilization of resources; (1989) T HAAVELMO ? for his clarification of the probability theory foundations of econometrices and his analyses of simultaneous economic structures; (1990) H M MARKOWITZ, M H MILLER & W F SHARPE ? for their pioneering work in the theory of financial economics.