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Spectral Models of Security

The rapid proliferation of mobile phones and other digital devices provides immense opportunities to observe and understand the rapidly changing structure of...
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How Do Labor Markets Equilibrate? Estimating the Effect of Local Labor Demand Shocks on Internal Migration and Local Wages

A central question in the study of migration concerns the role that migrants play in bringing an economy towards a more efficient use of its resources...

Risk Sharing and Mobile Phones: Evidence in the Aftermath of Natural Disasters

We provide empirical evidence that an early form of “mobile money” is used to share risk. Our analysis is based on the...
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Measuring Migration with Large-Scale Behavioral Data

Understanding the causes and effects of internal migration is critical to the effective design and implementation of policies that promote human development....
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