transport sector affect their productivity. In order to compare different institutional regimes, we carry out a comparative … productivity, which we regress on firm and city characteristics. We find that when firms are totally or partially in public hands … their productivity is lower. Moreover, firms selected through competitive tendering display higher total factor productivity. …

complexity and productivity which dominates the already known correlation between vertical integration and productivity. Results …

investigate the relation between firms' trading activities (importing, exporting or both) and productivity. We find important self … correlated within firms, failing to control for the importing activity leads to overstated average productivity premia of …

productivity using an original dataset of Italian manufacturing firms, and applying a two-stage probit least squares estimator. We … find a positive effect on productivity from outsourcing only if firms provide training for the workforce. This indirect … impact on productivity is independent of the type of activity outsourced and is bigger in the case of service outsourcing …