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Publications (31)
Working Paper
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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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– a Case Study of the Mekong Lowlands
In river basins around the world, formal agreements based on international watercourse law are seen as important mechanisms for promoting sustainability and cooperation. While such agreements have been effective in avoiding conflict between states in the short-term, success at the international...
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– Some Evidence from Indonesian Posyandus
This study attempts to determine the extent to which human potential may be unlocked by government or other formal sector actions that induce voluntary contributions by individuals to the activities of Indonesia’s posyandus or village health posts. Posyandus have been an important feature of...
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One of the most notable phenomena during economic transition is the shrinkage of the public sector and expansion of the not working population, simultaneously with the expansion of both the formal and informal private sectors. We address the related labour dynamics of the pre and post 1996 crisis in...
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– The Mexican Agenda
Public policy aimed at building capacity among the extremely poor (support for food and nutrition; health; education and, more recently, financial services), combined with a stable macroeconomic environment, has proved to be successful for poverty alleviation in Mexico. Even though overall poverty...
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– the Origins and Consequences of Policy Incoherence Toward Informal Traders
Almost twenty years have passed since researchers from the Institute for Liberty and Democracy in Peru showed how ‘bad laws’ impose disproportionate costs on those who choose formality. Although a multitude of conflicting regulations still precludes effective governance of informal trade in Lima...
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This paper investigates how people created, adapted and used social capital and conflict resolution during more than a decade of violent conflict in Liberia, and the potential of such capital to contribute to post-conflict peacebuilding and self-governance.
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– a Case Study for Urban Burkina Faso
Given the current focus of international development policy on pro-poor growth and poverty reduction, the role of the informal sector in the process of economic development is again at the top of the research and policy agenda. A key question is if pro-poor growth policies have to address the...
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– the Case of Cross-Border Commerce in the Horn of Africa
This paper addresses informal cross-border trade in the Horn of Africa, with an emphasis on the Somalia borderlands. It will be shown that despite the collapse of a government in 1991, Somalia’s unofficial exports of cattle to Kenya have grown considerably during the past 13 years. It will be argued...
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The objective of the paper is to understand the transforming relationship between the formal and informal sector in a liberalizing open developing economy. There are various facets in this relationship, and we focus on three essential aspects. First, we look at the impact of deregulatory policies in...
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