We take stock of what is known about public investment in the member states of the European Union, old and new alike. The interesting features about the long-term evolution of public investment have been its downtrend in old EU member states, bar the cohesion countries, and its volatility in new...

This paper presents the results of one of the first systematic analyses of the magnitude and determinants of transaction costs in public-private partnerships (PPPs). Given limited data availability, the analysis is confined to procurement-phase costs of bidding and contract negotiation, thus...

The developing world needs far more financing for infrastructure than can be provided by domestic public finances alone and through ODA (Official Development Aid). Around middle 1980s a new strategy based on the use of public-private agreements, relying on ODA to enhance the quality of projects,...

Private-public partnership (PPP) methods are considered to be an effective way to narrow the gap between demand and supply of social infrastructure. If successfully pursued, PPP can deliver benefits to users, governments, and the private sector, or the so-called triple wins. Enhancing efficiency...

The core objective of this study is to determine the impacts of improvement and modernization of transport infrastructure on households' income. We analyzed the impacts of a rapid transit system in urban areas of Punjab Province, Pakistan. We have compared the effects of this program in Punjab...

This study examines the impact of the Osh-Sarytash-Irkeshtam and Sarytash-Karamyk road construction projects in the Kyrgyz Republic on regional social and economic development. Discussions of financing infrastructure in the Kyrgyz Republic context are also provided. Evaluation of impact is based...

This paper studies the optimal structure of procurement contracts between public and private sectors by mainly comparing two typical procurement types: traditional procurement and public-private partnership (PPP). We first set up a principal-agent model focusing on bundling effects of...

Developing Asia's infrastructure gap results from both inadequate public resources and a lack of effective channel to mobilize private resources toward desired outcomes. The public-private partnership (PPP) mechanism has evolved to fill the infrastructure gap. However, PPP projects are often at...

This paper discusses two high-profile public-private partnership projects in Tajikistan - the Dushanbe-Chanak motor toll road and Pamir Energy hydropower projects. An impact evaluation exercise was conducted for the Dushanbe-Chanak road using difference-in-difference estimates. The impact of the...

Energy demand growth in Southeast Asian countries is predicted to be the highest in the world, with Indonesia having the highest urbanization rate. Along with growing urban areas, public infrastructures, such as streetlights, are also expanding. Unfortunately, energy conservation measures in...