deals with the efficiency of 85 small regional European airports for the years 2002-2009 by applying a data envelopment …. Belonging to an airport system reduces efficiency by about 5 percent. The average break-even passenger throughput over the last … Russell measure of data envelopment analysis is implemented. Results indicate higher average efficiency levels at Spanish …

We explore optimal health subsidies in a dynastic model with health externalities to productivity that cause low health … public or firms’ health subsidies can internalize the externalities through age-specific labor income taxes and consumption …

propose that specialization and diversity may offer externalities operating at different spatial scales. Using high …

where other firms are subsidized. These negative externalities depend on the share of firms that receive subsidies in the …