with Kabasubabu JT, Mukendi RF, Reid O. Working Paper. AEA Registration.

This randomized controlled trial explores citizen bribe payment at roadway tolls in Kananga, D.R. Congo. We offer financial and social incentives to motorcycle taxi drivers to bring receipts proving that they paid the legal toll. Observing a 7 to 10 percentage point increase in legal transactions due to financial incentives, we estimate an elasticity of citizen supply of bribes ranging from -0.45 to -0.95.

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