J. Sandefur

Publications104
h-index25
Citations1,707
Highly Influential Citations115
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Scaling Up What Works: Experimental Evidence on External Validity in Kenyan Education
The recent wave of randomized trials in development economics has provoked criticisms regarding external validity. We investigate two concerns – heterogeneity across beneficiaries and implementers –…
Experimental evidence on scaling up education reforms in Kenya
The recent wave of randomized trials in development economics has provoked criticisms regarding external validity and the neglect of political economy. We investigate these concerns in a randomized…
On the Evolution of the Firm Size Distribution in an African Economy
The size of the informal sector is commonly associated with low per capita GDP and a poor business environment. Recent episodes of reform and growth in several African countries appear to contradict…
The returns to formality and informality in urban Africa
This paper addresses the questions as to the size and causes of earnings differentials in two urban African labor markets, those of Ghana and Tanzania. We have panel data so we can ask how far time…
Context Matters for Size: Why External Validity Claims and Development Practice Don't Mix
In this paper we examine how policymakers and practitioners should interpret the impact evaluation literature when presented with conflicting experimental and non-experimental estimates of the same…
Does Abolishing Fees Reduce School Quality?Evidence from Kenya.
In 2003 Kenya abolished user fees in all government primary schools. We find that this Free Primary Education (FPE) policy resulted in a decline in public school quality and increased demand for…
The Price of Empowerment: Experimental Evidence on Land Titling in Tanzania
We report on a randomized field experiment using price incentives to address both economic and gender inequality in land tenure formalization. During the 1990s and 2000s, nearly two dozen African…
Labour Market Flexibility, Wages and Incomes in Sub‐Saharan Africa in the 1990s
This paper provides an overview of how African labor markets have performed in the 1990s. It is argued that the failure of African labor markets to create good paying jobs has resulted in excess…
Can Outsourcing Improve Liberia's Schools? Preliminary Results from Year One of a Three-Year Randomized Evaluation of Partnership Schools for Liberia
After one year, public schools managed by private contractors in Liberia raised student learning by 60 percent, compared to standard public schools. But costs were high, performance varied across…
RECOUP Working Paper 12. Does Doing an Apprenticeship Pay Off?Evidence from Ghana.
TLDR
It is shown that apprenticeship is by far the most important institution providing training and is undertaken primarily by those with junior high school or lower levels of education, which suggests that endogenous selection into the apprenticeship system is important, and several measures are taken to address this issue.
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