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Publications (19)
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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– The British IT Consulting Industry as a Contemporary Specimen
The Internet is often anticipated to have disruptive competitive impacts, causing upstart firms to overthrow incumbent market leaders. This paper uses the UK IT consulting industry as a test case to see whether such competitive impacts of the Internet might already be occurring. Comparable possible...
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– Technology, Policy, People, and Strategies
This study explores the on-going development of a global digital economy through a case-study analysis of its impact on and prospects in South Africa. It argues that four factors are key to understanding the impact of the digital economy on a developing country: (i) the level of technology...
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The rapid development and diffusion of the information and communications technology (ICT) is the major driving force of the New Economy. While there is ample evidence to suggest that the ICT industry has contributed a great deal to the overall economic growth of the developed countries, its role in...
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The core industries of the new information economy are characterized by imperfect competition, asymmetric information or external effects. Thus, well-designed microeconomic policies, in the form of competition policies, technology policies or combinations of these, have strong potential of...
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This paper assesses the contribution of software to India's economic development, paying particular attention to the role of software in the absorption of labour and the development of human capital in the economy. India's specialization in software has been driven by two sorts of wage advantages...
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This paper investigates the factors which determine the diffusion of the Internet across countries. The Gompertz model of technology diffusion is estimated using data on Internet hosts per capita for the years 1995-2000. For a sample of the 0ECD countries, the basic finding is that GDP per capita...
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– Digital Dividends or Digital Divide?
This paper examines the empirical evidence to determine whether Asian countries, despite having captured a disproportionately high share of global production of ICT goods, have as a group been laggard in the adoption of ICT in comparison to non-Asian countries. Using regression analysis, it is shown...
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– the Great Central Banana and the Small Nordic Potato
We analyse the clustering of European ICT activities. Our focus is primarily on the ICT manufacturing industries in the EU countries. We find a clear and intensifying concentration tendency of ICT-related production and R&D. As a rule, originally specialized countries have become more so. In terms...
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– Evidence from Advanced Economies
By definition, the 'New Economy' is an economy where business firms have learnt to take advantage of both the ICT revolution and the globalization of business activities in ways which improve productivity. First, by surveying recent research findings, this paper confirms that both the production and...
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