In this paper we consider nonparametric estimation of a structural equation model under full additivity constraint. We propose estimators for both the conditional mean and gradient which are consistent, asymptotically normal, oracle efficient and free from the curse of dimensionality. Monte...

When analyzing what determines the efficiency of production, regressing efficiency scores estimated by DEA on explanatory variables has much intuitive appeal. Simar and Wilson (2007) show that this nai͏̈ve two-stage estimation procedure suffers from severe flaws, that render its results, and...

We use nonparametric production-frontier methods to decompose the growth of labor productivity of Chinese provinces in the post-reform period. These techniques, combined with kernel density estimates, allow us to decompose the shift in the distribution of labor productivity without the need for...