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Econometrica· 2014Q1

Underinvestment in a Profitable Technology: The Case of Seasonal Migration in Bangladesh

Gharad Bryan, Shyamal Chowdhury, Ahmed Mushfiq Mobarak

Short summary

An $8.50 incentive increased seasonal migration by 22% in rural Bangladesh, boosting household consumption and leading to sustained re-migration for 1-3 years.

AI-generated from the title and abstract; the full text is not read.

Key points

  • An $8.50 incentive increased seasonal migration by 22% in rural Bangladesh.
  • Migrating households showed significant increases in consumption at their origin.
  • Treated households were 8-10 percentage points more likely to re-migrate 1 and 3 years later.
  • The findings are consistent with a model where migration is risky and requires individual learning.

AI-generated from the title and abstract; the full text is not read.

Abstract

Hunger during pre-harvest lean seasons is widespread in the agrarian areas of Asia and Sub-Saharan Africa. We randomly assign an $8.50 incentive to households in rural Bangladesh to out-migrate during the lean season. The incentive induces 22 % of households to send a seasonal migrant, their consumption at the origin increases significantly, and treated households are 8-10 percentage points more likely to re-migrate 1 and 3 years after the incentive is removed. These facts can be explained qualitatively by a model in which migration is risky, mitigating risk requires individual-specific learning, and some migrants are sufficiently close to subsistence such that failed migration is very costly. We document evidence consistent with this model using heterogeneity analysis and additional experimental variation, but calibrations with forward-looking households that can save up to migrate suggest that it is difficult for the model to quantitatively match the data. We conclude with extensions to the model that

The authors' abstract, as published at the source. Econometrica, 2014 · DOI ↗

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Field: Urban Studies

Urban StudiesSocial Sciences