Mobile phones and Internet use can enable human capabilities that can contribute to positive developmental outcomes (Smith, Spencer, & Rashid, 2011; Ndung'u & Waema, 2011; Agüero, de Silva & Kang, 2011; Sen, 1999). Communication networks, in Africa particularly mobile phones, have been recognised as an...

We develop a dynamic model of intermediate goods trade in which the pattern and the extent of intermediate goods trade are endogenous. We consider a small open economy whose final good production employs an endogenous array of intermediate goods, from low technology (high cost) to high...

Authorities often lack information for efficient regulation of the commons. This paper derives a criterion comparing prices versus tradable quantities in terms of expected welfare, given uncertainty, optimal policy and endogenous cost structure. I show that one cannot determine which regulatory...

The divergence of unemployment rates between the United States and Europe coincided with a substantial acceleration in capital-embodied technical change in the late 1970s. Evidence suggests that European economies have lagged behind the United States in the adoption and usage of new...