Correct estimates of import demand elasticities are essential for measuring the gains from trade and predicting the impact of trade policies. We show that estimates of import demand elasticities hinge critically on whether they are derived using trade quantities or trade values, and this...

We report the short-term results from a randomized evaluation of a mobile phone literacy program (ABC) in Niger, in which adult literacy students learned how to use mobile phones as part of a literacy class. Students in mobile phone literacy villages showed substantial gains in numeracy exam...