We collect compensation policy data from 60 Chinese mutual fund companies, which covers 88% of assets under management by all active stock and stock-oriented hybrid mutual funds in China. Using the collected data, we investigate the portfolio pumping from a performance-based perspective. We find...

Using U.S. equity mutual fund data, we show that portfolio pumping – an illegal trading activity that artificially inflates year-end and quarter-end portfolio returns – is more pronounced among single-managed than team-managed funds. The return inflation by team-managed funds is 45% lower...