NBER Publications by Mo Xiao

We examine the incentives for firms to voluntarily disclose otherwise private information about quality attributes of differentiated products. In particular, we focus on the case of differentiated products with multiple attributes and consumers that are heterogeneous in their preferences over these attributes. We show that there exist certain configurations of consumer preferences under which a firm producing a high-quality product, even with zero costs of disclosure, may choose not to reveal the quality of its product. This failure of firms to voluntarily disclose the quality of their products will arise when providing consumers with more information results in more elastic demands for these products, which, in turn, triggers more intensive price competition and leads to lower prices and ...

We examine the impact of minimum quality standards on the supply side of the child care market, using a unique panel data set merged from the Census of Services Industries, state regulation data, and administrative accreditation records from the National Association of Education for Young Children. We control for state-specific and time-specific fixed effects in order to mitigate the biases associated with policy endogeneity. We find that the effects of quality standards specifying the labor intensiveness of child care services are strikingly different from those specifying staff qualifications. Higher staff-child ratio requirements deter entry and reduce the number of operating child care establishments. This entry barrier appears to select establishments with better quality into the mark...