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Publications (13)
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...
Working Paper
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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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The purpose of this paper is to explore economic and political implications of Europe's Economic and Monetary Union (EMU) for developing countries. In strictly economic terms, influences will be communicated through both trade and financial channels. Economies in the developing world will be...
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– Retrospect and Prospect
The management of international reserves remains one of the understudied aspects of the international monetary system. There are now a number of reasons why this should change. On the supply side of the market there is the advent of the euro, creating a full-fledged rival to the dollar for the first...
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The partial effect of nominal exchange rate volatility on exports from each EMU member to the rest of the EMU is estimated on annual data for 1967-97, using modern time-series methods. The long-run relations between exchange rate volatility and exports are mostly negative and in several cases...
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– Commitment, institutional Capacity and the Monetary-Fiscal Mix
An interesting theory of transition must give a convincing account of structural adjustment and supply side improvement. In this paper, I discuss the incentives for government to undertake costly supply side improvement and how these relate to incentives governing the design of monetary and fiscal...
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The emergence of the euro as a key currency, perhaps eventually rivalling the US dollar in importance, may have important macroeconomic implications for industrial as well as developing economies in the years ahead. This paper focuses on two related questions. First, what effects, if any, will the...
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We analyse the prospects for greater monetary integration in Africa, in the wake of EMU. We argue that the structural characteristics of African economies are quite different to the EMU members but that much can be gained from monetary cooperation, as an external agency of restraint and in promoting...
Displaying 13 of 13 results