This article tries to estimate the operating efficiency among 30 years (1989-2018) in the information technology (IT) industry, where technologies are everchanging. The balanced panel data model of Kneip et al. is extended to an unbalanced panel data model for more generic applications. The...

One of the key questions in the study of regulation is whether the costs of regulatory compliance fall homogeneously on all businesses or whether certain firms, for instance small ones, are especially penalized. We quantify firms' compliance costs in terms of their labor spending to adhere to...

The size of the average American household has fallen dramatically - from six in 1850 to three in 2000. To explain this decline we model households as collections of roommates who share the costs of household public goods. If private goods are more income elastic than public goods, as we...

We consider the possibility that demographic variables are measured with errors which arise because household surveys measure demographic structures at a point-in-time, whereas household composition evolves throughout the survey period. We construct and estimate sharp bounds on household size...