Kenneth Arrow and Gérard Debreu have throughout their careers continuously produced ideas at the very frontier of economics. Together, they have made unparalleled contributions on the properties of general equilibrium systems in economics, the study of collective choice and welfare economics.

[eng] Standard economic doctrine makes assumptions of rationality which have very strong implications for the complexity of individuals' decision processes. The most complete assumptions of competitive general equilibrium theory require that all future and contingent prices exist and be known....

Any psychologist who has studied eyewitness accounts knows first of all how unreliable they are. I therefore submit this informal account of some developments in economic theory without research, just as a set of recollections. It is also not an autobiography, nor a systematic account of my own...

We develop a consistent and comprehensive theoretical framework for assessing whether economic growth is compatible with sustaining well-being over time. The framework focuses on whether a comprehensive measure of wealth - one that accounts for natural capital and human capital as well as...

This paper presents a list of the top 20 articles published in the <em>American Economic Review</em> during its first 100 years. This list was assembled in honor of the <em>AER</em>'s one-hundredth anniversary by a group of distinguished economists at the request of <em>AER</em>'s editor. A brief description accompanies...