Book excerpt: A multidisciplinary reference in which over 100 commissioned essays provide details of topics and issues that have developed in recent decades and introduce a variety of emerging themes that economic methodologists have begun to explore. The encyclopedia- type articles discuss such topics as aggregation, evolutionary economics, Otto Neurath, survey methods, Thorstein Veblen, selectionist arguments, the marginalist controversy, game theory, economic sociology, and causality. Each includes an extensive bibliography. Practicing economists and students of the philosophy or history of economics might find useful information and an entry into deeper investigation. Annotation copyrighted by Book News, Inc., Portland, OR