Document Type

Article

Language

eng

Publication Date

9-1998

Publisher

American Economic Association

Source Publication

Journal of Economic Literature

Source ISSN

0022-0515

Comments

Published version. Journal of Economic Literature, Vol. 36, No. 3 (September 1998): 1502-1504. Permalink. © 1998 American Economic Association. Used with permission.

Included in

Economics Commons

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