This work explores the roles of potential simultaneity and heterogeneity in determining firms’ decisions to engage in R&D collaboration, using a sample of Italian manufacturing firms. Collaboration with other firms, research institutions, universities and other small centres are considered...

Vulnerability to reduction of natural capital depends on defensive substitution possibilities that, in turn, are affected by the availability of other productive factors. However in several developing countries asset distribution tends to be highly skewed. Taking into account these elements,...