Document Type

Article

Language

eng

Publication Date

12-1998

Publisher

American Economic Association

Source Publication

Journal of Economic Literature

Source ISSN

0022-0515

Comments

Published version. Journal of Economic Literature, Vol. 36, No. 4 (December 1998): 2166-2168. Permalink. © 1998 American Economics Association. Used with permission.

Included in

Economics Commons

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