This article investigates how managers in public-private partnership (PPP) projects respond to social or physical events during the implementation of their projects, and which of their responses produce satisfactory outcomes. Multi-value Qualitative Comparative Analysis (mvQCA) was used to...

The importance of increments to an existing highway system depends upon their contributions to the accessibility provided by the existing network. Nearly 40 years ago, Mohring [1965] suggested this logic for planning optimal highway investment programs. He argued it could be implemented by...

This paper characterizes economically optimal investments into Africa's road network in partial and general equilibrium - based on a detailed topography of the network, road construction costs, frictions in cross-border trading, and economic geography. Drawing from data on 144 million...

This paper characterizes economically optimal investments into Africa's road network in partial and general equilibrium - based on a detailed topography of the network, road construction costs, frictions in cross-border trading, and economic geography. Drawing from data on 144 million...

The aim of this paper is to provide feedback on the question of socioeconomic benefits from rural road development and the impact of transport infrastructure on the poor, particularly the poorest and the bottom 20 percent of the population. This paper relies on impact evaluation methodologies,...

The aim of this paper is to provide feedback on the question of socioeconomic benefits from rural road development and the impact of transport infrastructure on the poor, particularly the poorest and the bottom 20 percent of the population. This paper relies on impact evaluation methodologies,...

This paper investigates the effects of oil financed public investment on poverty using a dynamic multisectoral general equilibrium model featuring inter-temporal productivity spillovers, which may exhibit a sector-specific and regional bias. In general, the results bear out the expectation that...