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Publications (28)
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Social scientists are increasingly engaging in experimental research projects of importance for public policy in developing areas. While this research holds the possibility of producing major social benefits, it may also involve manipulating populations, often without consent, sometimes with...
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– Definitions and Diagrams
The fundamental problem of external validity is not to generalize from one experiment, so much as to experimentally test generalizable theories. That is, theories that explain the systematic variation of causal effects across contexts. Here we show how the graphical language of causal diagrams can...
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In recent years, randomized controlled trials have become increasingly popular in the social sciences. In development economics in particular, their use has attracted considerable debate in relation to the identification of ‘what works’ in development policy. This paper focuses on a core topic in...
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– Opportunities and Challenges
‘Ancillary experiments’ are a new technique whereby researchers use a completed experiment conducted by others to recover causal estimates of a randomized intervention on new outcomes. The method requires pairing new outcome data with randomized treatments the researchers themselves did not oversee...
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– Towards Experiments?
In examining the study of government performance, this paper asks whether field experiments can improve the explanatory precision of results generated by public opinion surveys. Survey research on basic health and education services sub-Saharan Africa shows that the perceived ‘user friendliness’ (or...
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– Experimental and Non-Experimental Methods in Development Economics
This paper provides a survey of six widely used non-experimental methods for estimating the impact of programmes in the context of developing economies (instrumental variables, regression discontinuity, direct matching, propensity score matching, linear regression and non-parametric methods, and...
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– Better Policies? Better Politics?
The paper provides a comparative analysis of the incidence of evaluation methods in antipoverty transfer programmes in Latin America and sub-Saharan Africa. The paper identifies two broad explanations for the incidence of evaluation in antipoverty transfer programmes in developing countries, one...
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Fiscal policy measures are a key means by which governments can influence distribution and poverty, but in fact the relationships between fiscal policy and poverty are not well understood. The most commonly used technique for assessing the distributional impact, benefit incidence analysis, is...
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After more than a decade of economic decline and civil war, Uganda was able to return to economic growth thanks to the policies pursued by Museveni’s National Resistance Movement which elicited considerable donor support. They include macroeconomic reforms, public sector restructuring, privatisation...
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– The Case of Food Subsidies in India
This paper investigates the effect of a food subsidy programme in India on child malnutrition by addressing the following linked questions using household survey data that includes information on usage of the public distribution system. First, does the food subsidy induce higher expenditures on food...
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This study tests the performance of microfinance institutions (MFIs) in Burkina Faso using indicators such as the sustainable interest rate and the subsidy dependence index. The results indicate that MFIs outreach performance remains very low compared with potential demand, and the factors...
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This paper investigates the correlates of household welfare in urban Ethiopia with an emphasis on the impact of education. We use household panel data collected between 1994 and 1997. Welfare is approximated by household income. Although non-educated households are found in all income quintiles...
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– Experience from ASIP in Zambia
Sector investment programmes have become a common tool in development assistance. However, their contribution to national growth of production and poverty reduction has been less investigated. The sector investments can be seen as a part of national fiscal policy, but, when run poorly, they can...
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The present paper critically examines how aid dependent low-income countries have approached the process of public expenditure management reform during the 1990s. It begins with an overview of broader public sector reform initiatives in LDCs which provide the backdrop against which expenditure...
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To finance basic pro-poor services, the Government of Ghana must mobilize more public revenue. But tax reform has been highly controversial in Ghana. An attempt to introduce VAT in 1995 failed after widespread protests. Although a second attempt to introduce VAT in 1998 succeeded, strong resistance...
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The paper examines two issues associated with aid and fiscal policy. First, how best the conditionality behind foreign aid, sometimes non-economic, is complied with in a principal-agent framework. In a multiple task and multiple principal framework, principals are better off cooperating and making...
Displaying 16 of 28 results