Document Type

Working Paper

Publication Date

1-2017

Abstract

This study investigates the effect of the introduction of Uber in New York City in May 2011 on drunk-driving outcomes. A difference-in-differences estimation of this effect implies a 20-30% decrease in the alcohol-related collision rate for the affected New York City boroughs, or about 40 collisions per month. With differentiated treatment effects for each effected county, the difference-in-differences effect is higher for Manhattan, average for the Bronx and Brooklyn, and lower for Queens. A synthetic control analysis shows similar effects that are pronounced over time in the Bronx and Brooklyn, and a permutation test confirms the effect is not commonly reproducible using untreated counties.

Comments

This paper is Working Paper 13 in the Working Paper Series of the Ph.D. Program in Economics at the Graduate Center, CUNY. It is also available via RePEc: https://ideas.repec.org/p/cgc/wpaper/013.html.

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