NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Sharon Barnhardt

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Working Papers

October 2015Movies, Margins and Marketing: Encouraging the Adoption of Iron-Fortified Salt
with Abhijit Banerjee, Esther Duflo: w21616
A set of randomized experiments shed light on how markets and information influence household decisions to adopt nutritional innovations. Of 400 Indian villages, we randomly assigned half to an intervention where all shopkeepers were offered the option to sell a new salt, fortified with both iron and iodine (and not just iodine) at 50% discount. Within treatment villages, we conducted additional interventions: an increase in retailer margin (for one or several shopkeepers), the screening of an “edutainment” movie on the benefits of double-fortified salt, a flyer informing households of the product’s availability, and free distribution to a subset of households. We find that two interventions – showing the short film and offering an incentive to all shopkeepers – significantly increased usa...
July 2015Moving to Opportunity or Isolation? Network Effects of a Randomized Housing Lottery in Urban India
with Erica Field, Rohini Pande: w21419
A housing lottery in an Indian city provided winning slum dwellers the opportunity to move into improved housing on the city’s periphery. Fourteen years later, relative to lottery losers, winners report improved housing farther from the city center, but no change in family income or human capital. Winners also report increased isolation from family and caste networks and lower access to informal insurance. We observe significant program exit: 34% of winners never moved into the subsidized housing and 32% eventually exited. Our results point to the importance of considering social networks when designing housing programs for the poor.

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