News From The Monopoly Front: Changes In Industrial Concentration, 1992-1997

Document Type

Article

Publication Date

3-1-2002

Published In

Review Of Industrial Organization

Abstract

Comparing concentration ratios between 1992 and 1997 raises difficulties because the 1997 data are arranged according to a new industrial nomenclature. By comparing concentration ratios in industries where the definition did not change, it is possible to make comparisons of changes in concentration between the two years and to document the considerable changes in industrial structure in the manufacturing and retail sectors.

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