We model the tax drag from active funds management based on reported monthly holdings of active equity funds. Tax drag erodes 65% of the 0.74% excess return in Broad Market funds, but only 21% of the 1.80% excess return in Small-Cap funds for Australian superannuation (pension) fund investors....

We examine potential sources of measurement error when evaluating the after-tax performance of fund managers based on periodic snapshots of their holdings alone, compared to when daily transactions data are also available. To do this, we compare portfolio return estimates based on imputed trades...