The economics of development / Everett E. Hagen. Hagen, Everett Einar. 1906- Economic development. HD82 .H15 1980 338.9 HAE Includes bibliographical references and indexes. Homewood, Ill. : R. D. Irwin ; Georgetown, Ont. : Irwin-Dorsey, 1975. 1975. 1975 Text xx, 563 p. : eng The Irwin series in economics Developing countries Economic conditions.