Marketing and distribution expenses are responsible for about a third of the cost of active management in the mutual fund industry. We develop and estimate a structural model of mutual fund marketing with learning about unobserved skill and costly investor search. Our estimates suggest that...

Does the observed relationship between mutual fund flows and recent performance represent irrational “return chasing” or rational learning about unobserved fund manager skill in the presence of decreasing returns to scale? We estimate a structural model of investor beliefs implicit in the...