This paper provides new evidence about returns to scale in asset management, and their connection with capital flows to funds by investors. Equity mutual funds have diminishing returns to scale at the industry level, while hedge and fixed income funds have increasing returns to scale. The...

Using the gradual lifting of the short-sale ban in the Chinese stock market from 2010 to 2019 as natural experiments, the paper studies mutual funds’ strategies towards short-sales. The difference-in-difference regressions consistently show that mutual funds hold fewer shares when stocks are...