The following is a list of published and working papers. For a list of policy papers and reports, please see the CV.
“Get Your Goat: Planning, Saving and Ceremonial Expenditures” November 2016. (with Melita Sawyer, Michael O’Sullivan, Markus Goldstein and Margaret McConnell). Draft available upon request.
“Call Me Educated: Evidence from a Mobile Monitoring Experiment in Niger.” (with Christopher Ksoll). November 2016. CGD Working Paper 406.
See blog post on the World Bank’s Development Impact Blog. Can monitoring teachers and students – with no incentive or punishment attached — improve test scores? Yes
“Does ABC Lead to Better 123 in the Longer-Term?” (with Christopher Ksoll). November 2016. Draft available upon request.
“Learning without Teachers? Evidence from a Randomized Evaluation of a Mobile Phone-Based Adult Education Program in Los Angeles.”(with Christopher Ksoll, Karla Perez, Danielle Miller and Susan Smalley). CGD Working Paper 368. Under review.
See blog post by David Evans on the World Bank Development Impact Blog, “Teach Literacy by Text Message. Really.” July 7, 2014.
“Caught in the Middle of a Revolution: The Impact of the Libyan Arab Spring on Migrants from Niger.” (with Christopher Ksoll).
“Is Information Power? Using Mobile Phones and Free Newspapers during an Election in Mozambique.” (with Pedro Vicente and Paul Collier). CGD Working Paper 328.
Forthcoming, Review of Economics and Statistics.
“Payment Mechanisms and Anti-Poverty Programs: Evidence from a Mobile Money Cash Transfer Experiment in Niger“(with Rachid Boumnijel, Amanda McClelland and Niall Tierney). October 2016. 65(1), Economic Development and Cultural Change. Please note that there are a number of errors (related to coefficients and s.e.) in the published version that were not corrected by the journal from the original proofs. The Word version on my website (dated November 2016) is the correct version until the Erratum is published. Corrigendum
See references on CGD and Freakonomics blogs. Previously circulated as “Zap it to Me: Evidence from a Mobile Money Cash Transfer Experiment in Niger.” [DATA forthcoming]
“Comparing Cash and Voucher Transfers in a Humanitarian Context: Evidence from the Democratic Republic of Congo.”
Forthcoming, World Bank Economic Review. [DATA forthcoming]
Previously circulated as “Cash or Vouchers? The Relative Impacts of Cash and Vouchers in the Democratic Republic of Congo.” CGD Working Paper 320.
“Mobile Phone Coverage and Producer Markets: Evidence from West Africa.” (with Marcel Fafchamps).
July 2015. “Mobile Phone Coverage and Producer Markets: Evidence from West Africa.” World Bank Economic Review. Volume 29, Issue 2 262 – 292.
“Information, Mobile Telephony and Traders’ Search Behavior in Niger.” (with Jesse Tack).
Forthcoming, American Journal of Agricultural Economics. [DATA forthcoming]
“Borders, Ethnicity and Trade.” (with Michael Klein, Steve O’Connell and Muzhe Yang).
March 2014: Vol 107, pp 1-16. Journal of Development Economics.
Previously circulated as “Borders or Barriers? The Impact of Borders on Agricultural Markets in West Africa.”
“Can Mobile Phones Improve Learning? Evidence from a Field Experiment in Niger.” (with Christopher Ksoll and Travis Lybbert).
October 2012: 4(4), American Economic Journal: Applied Economics. [DATA]
“Dial “A” for Agriculture: Using ICTs for Agricultural Extension in Developing Countries.”
November 2011. Agricultural Economics 42(6):631-47.
“Information from Markets Near and Far: Mobile Phones and Agricultural Markets in Niger.”
American Economic Journal: Applied Economics. 2(July 2010): 46-59.
“The Economics of New Technologies in Africa.” (with Joshua Blumenstock). Handbook of Africa and Economics. Forthcoming. Oxford University Press.
“The West African Experience with the World Rice Crisis, 2007-2008” (with Steven Block, Vij Ramachandran and C. Peter Timmer) in The Rice Crisis: Markets, Policies and Food Security (2010), edited by David Dawe, FAO.
“The Shiny New Gadget that Works.” November/December 2010. The Boston Review.
Africa Calling: Can Mobile Phones Make a Miracle?“ with Isaac M. Mbiti. March/April 2010. The Boston Review.
“Mobile Phones, Markets and Firms in sub-Saharan Africa.” November 2009. Proparco’s Magazine, Volume 4.
Blogs, Briefs and Notes via the Center for Global Development
For briefs and notes published via CGD, please refer to the CGD website.
Policy Papers and Reports
“Cash, Vouchers and Household Well-Being Among Internally Displaced Households in Eastern DRC.” 2012. An Operations Research Report for Concern Worldwide and UNICEF.
“Cash Transfers, Nutrition and Household Well-Being in Niger.” 2012. An Operations Research Report for Concern Worldwide.
“Cash Transfers, Mobile Transfers and Emergency Response in Niger.” 2011. An Operations Research Report for Concern Worldwide.
“Towards Measuring the Impact of the World Food Program’s Purchase for Progress Initiative”. 2008. Center for Global Development Policy Brief. Washington, D.C.
“How can we avoid another food crisis in Niger?” 2008. Center for Global Development Essay. Washington, D.C.
“Monitoring Regional Markets for Early Warning of Food Crises in Western Africa.” December 2007. Paper presented at a workshop organized by FAO. FAO: Rome.