University of Oxford - Said Business School
December 1, 2011
The Thomson VentureXpert database has been used for over two decades by practitioners and academics to benchmark and judge the performance of private equity and venture capital. A closer look at aggregated and individual figures, however, reveals severe anomalies in the underlying data which are the result of ceasing data updates. Since existing errors have a systematic and persistent character, they do not just increase noise but result in a significant downward bias of presented performances. Consequently, many empirical results established using this database may not be replicable with correct data. In particular, the claim that private equity has not outperformed public equity is unlikely to hold with true numbers.
Number of Pages in PDF File: 44
Keywords: private equity, venture capital, performance measurement, forensic finance, data integrity
JEL Classification: G11, G14, G15, G24, G34working papers series
Date posted: December 3, 2011 ; Last revised: March 15, 2012
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