Using data from hospitals in the state of Washington, we examine the time-series behavior of overhead costs. We find that more accurate predictions of changes in costs are usually generated by assuming a cost will not change at all (except for inflation) than by assuming that the cost will...

Beginning with Anderson, Banker, and Janakiraman (2003), a rapidly growing literature attributes the short-run asymmetric cost response to activity changes (i.e., sticky costs) as resulting from short-run managerial choices. In this paper, we are agnostic on the theory of sticky costs. Rather,...