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Kenneth E. Boulding, Jack W. Carlson, Richard W. Judy and Marc J. Roberts
The American Economic Review
Vol. 61, No. 2, Papers and Proceedings of the Eighty-Third Annual Meeting of the American Economic Association (May, 1971), pp. 167-177
Published by: American Economic Association
Stable URL: http://www.jstor.org/stable/1816989
Page Count: 11