In the urban planning literature, it is frequently explicitly asserted or strongly implied that ongoing urban sprawl and decentralization can lead to development patterns that are unsustainable in the long run. One manifestation of such an outcome is that if extensive road investments occur,...

This paper studies the cycles of nationalization and privatization in resource-rich economies as a prime instance of unstable institutional reform. The authors discuss the available evidence on the drivers and consequences of privatization and nationalization, review the existing literature, and...

Using social tables, the author makes an estimate of global inequality (inequality among world citizens) in the early 19th century. The analysis shows that the level and composition of global inequality have changed over the past two centuries. The level has increased, reaching a high plateau...

In recent years, the number of surveys of access to and use of financial services has multiplied, but little is known about whether the data generated are comparable across countries, or within the same country over time. This paper reports results from a randomized experiment in Ghana to test...

This paper analyzes complementarities between different Millennium Development Goals, focusing on child mortality and how it is influenced by progress in the other goals, in particular two goals related to the expansion of female education: universal primary education and gender equality in...

Past research has found that subjective questions about an individuals' economic status do not correspond closely to measures of economic welfare based on household income or consumption. Survey respondents undoubtedly hold diverse ideas about what it means to be "poor" or "rich." Further, this...

The Mexico City Metropolitan Area has been suffering severely from transportation externalities such as accidents, air pollution, and traffic congestion. This study examines pricing instruments to reduce these externalities using an analytical and numerical model. The study shows that the...

Recent evidence suggests that conditional cash transfer programs for schooling are effective in raising school enrollment and attendance. However, there is also reason to believe that such programs can affect other outcomes, such as the sexual behavior of their young beneficiaries. Zomba Cash...

Rapidly increasing emissions of carbon dioxide from the transport sector, particularly in urban areas, is a major challenge to sustainable development in developing countries. This study analyzes the factors responsible for transport sector CO2 emissions growth in selected developing Asian...

This study examines impacts on net social benefits or economic welfare of alternative policy instruments for reducing traffic congestion and atmospheric emissions in S??o Paulo, Brazil. The study shows that expanding road networks, subsidizing public transit, and improving automobile fuel...