This paper proposes and estimates a dynamic structural model of innovation in the super- computer industry to evaluate the dependence of technological innovation on market structure. The model has two key features. First, it allows for technological leapfrogging while controlling for...

A decomposition of aggregate labor productivity based on internationally comparable data reveals that a high share of employment and low labor productivity in agriculture are mainly responsible for low aggregate productivity in poor countries. Using a two-sector general-equilibrium model, we...

Despite nearly three decades of revolutionary government rule in Iran poverty and inequality remain the central issues of political debate in Iran. Public dissatisfaction, as demonstrated by the electoral success of the populist candidate in the 2005 presidential election, has been widely...

The Islamic Revolution of 1979, the eight-year war (1980-88) with Iraq, and the collapse of oil prices in 1986 dealt huge blows to Iran's economy. In this paper we use a pseudo panel constructed from annual multiple surveys during 1984-2004 to understand how individuals and families have fared...

In recent years Iran has greatly expanded its early childhood education program, taking first place in the Middle East in preschool enrolment. In this paper we examine the reasons for the unusual expansion and argue that it is in large part an institutional response to demographic changes in...

In this paper we develop a spatial panel simultaneous-equations model of employment growth, migration behavior, local public services and median household income in a partial lag-adjustment growth-equilibrium framework and utilizing a one-way error component model for the disturbances. To...