We study the relation between market returns and aggregate flow into U.S. equity funds, using daily flow data. The concurrent daily relation is positive. Our tests show that this concurrent relation reflects flow and institutional trading affecting returns. This daily relation is similar in...

This study documents high-frequency (daily) mutual fund return autocorrelations and examines the causes and consequences. We assert the cause to be nonsynchronous trading in the underlying assets of the fund, which presents investors with an option to (indirectly) trade those assets at stale...

We directly estimate annual trading costs for a sample of equity mutual funds and find that these costs are large and exhibit substantial cross sectional variation. Trading costs average 0.78% of fund assets per year and have an inter-quartile range of 0.59%. Trading costs, like expense ratios,...