• Publications
  • Influence
Mobile Phones and Economic Development in Africa
We examine the growth of mobile phone technology over the past decade and consider its potential impacts upon quality of life in low-income countries, with a particular focus on sub-Saharan Africa.Expand
Information from Markets Near and Far: Mobile Phones and Agricultural Markets in Niger
Price dispersion across markets is common in developing countries. Using novel market and trader-level data, this paper provides estimates of the impact of mobile phones on price dispersion acrossExpand
Does Digital Divide or Provide? The Impact of Cell Phones on Grain Markets in Niger
Due partly to costly information, price dispersion across markets is common in developed and developing countries. Between 2001 and 2006, cell phone service was phased in throughout Niger, providingExpand
Dial 'A' for Agriculture: A Review of Information and Communication Technologies for Agricultural Extension in Developing Countries
  • J. Aker
  • Engineering, Business
  • 1 September 2011
Agriculture can serve as an important engine for economic growth in developing countries, yet yields in these countries have lagged far behind those in developed countries for decades. One potentialExpand
Payment Mechanisms and Antipoverty Programs: Evidence from a Mobile Money Cash Transfer Experiment in Niger
Cash transfers have become an increasingly important component of social protection policies in both developed and developing countries. While such programs are often implemented electronically inExpand
Dial “ A ” for Agriculture : Using Information and Communication Technologies for Agricultural Extension in Developing Countries
Agriculture can serve as an important engine for economic growth in developing countries. Yet yields in developing countries have lagged far behind those in developed countries for decades. OneExpand
Borders, Ethnicity and Trade
Do national borders and ethnicity contribute to market segmentation between and within countries? This paper uses unique and high-frequency data on narrowly-defined goods to gauge the extent to whichExpand
Zap It to Me: The Short-Term Impacts of a Mobile Cash Transfer Program
Conditional and unconditional cash transfers have been effective in improving development outcomes in a variety of contexts, yet the costs of these programs to program recipients and implementingExpand
Cash or Coupons? Testing the Impacts of Cash versus Vouchers in the Democratic Republic of Congo
Despite the increased use of conditional and unconditional cash-transfer programs worldwide, a majority of social protection programs in both developed and developing countries use in-kind transfersExpand
Can mobile phones improve agricultural outcomes? Evidence from a randomized experiment in Niger
The widespread growth of mobile phone coverage worldwide has offered new potential for increasing rural households’ access to information and public and private transfers. Yet despite theExpand
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