We analyze demand for prepaid cellular voice and short message service (SMS) in South Africa by means of a demand-and-supply structural model based on a multinomial specification fitted to a cross-sectional data set on Vodacom customers collected in 2005. We find that consumers are very...

This paper presents an empirical application and analysis of the social contract in countries in the Middle East and North Africa. The paper suggests a simple operational model that synthesizes a social contract's three main characteristics: participation, protection, and provision, between a...