We study the evolution of super star firms in the U.S. economy over the past 60 years. Contrary to common wisdom, super stars firms have not become larger, have not become more productive, and the contribution of star firms to aggregate U.S. productivity growth has fallen by more than one third since 2000.
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Document Object Identifier (DOI): 10.3386/w25529
Published: GermÁn GutiÉrrez & Thomas Philippon, 2019. "Fading Stars," AEA Papers and Proceedings, vol 109, pages 312-316.