SEMI‐NONPARAMETRIC ESTIMATION OF CONSUMER SEARCH COSTS
消费者搜寻成本的半非参数估计
SUMMARY This paper studies the estimation of the distribution of non‐sequential search costs. We show that the search cost distribution is identified by combining data from multiple markets with common search technology but varying consumer valuations, firms' costs, and numbers of competitors. To exploit such data optimally, we provide a new method based on semi‐nonparametric estimation. We apply our method to a dataset of online prices for memory chips and find that the…