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α: calibrated so average coauthorship-adjusted count equals average raw count
This article studies the firm-level productivity convergence process in the 1990s and the 2000s in France. The speed of convergence has slowed during the course of the 1990s, a fact which is explained principally by the acceleration of the productivity of firms on the technological frontier. Evidence is presented that information technology and globalisation may have had a bigger impact on the most productive firms.