Alessandro Guarnieri
Tanguy van Ypersele
Fabien Petit
Cecilia García-Peñalosa
Yonatan Berman
Nina Weber
Julian Limberg
David Hope
Pedro Tremacoldi-Rossi
Tatiana Mocanu
Marco Ranaldi
Silvia Vannutelli
Raymond Fisman
John Voorheis
Reed Walker
Janet Currie
Roel Dom
Marcos Vera-Hernández
Emla Fitzsimons
José V. Rodríguez Mora
Tomasa Rodrigo
Álvaro Ortiz
Stephen Hansen
Vasco Carvalho
Gergely Buda
Gabriel Zucman
Anders Jensen
Matthew Fisher-Post
José-Alberto Guerra
Myra Mohnen
Christopher Timmins
Ignacio Sarmiento-Barbieri
Peter Christensen
Linda Wu
Gaurav Khatri
Julián Costas-Fernández
Eleonora Patacchini
Jorgen Harris
Marco Battaglini
Ricardo Fernholz
Alberto Bisin
Jess Benhabib
Cian Ruane
Pete Klenow
Mark Bils
Peter Hull
Will Dobbie
David Arnold
Eric Zwick
Owen Zidar
Matt Smith
Ansgar Walther
Tarun Ramadorai
Paul Goldsmith-Pinkham
Andreas Fuster
Ellora Derenoncourt
Golvine de Rochambeau
Vinayak Iyer
Jonas Hjort
Elena Simintzi
Paige Ouimet
Holger Mueller
Pablo Garriga
Gabriel Ulyssea
Costas Meghir
Pinelopi Koujianou Goldberg
Rafael Dix-Carneiro
Alessandro Toppeta
Áureo de Paula
Orazio Attanasio
Seth Zimmerman
Joseph Price
Valerie Michelman
Camille Semelet
Anne Brockmeyer
Pierre Bachas
Santiago Pérez
Elisa Jácome
Leah Boustan
Ran Abramitzky
Jesse Rothstein
Jeffrey T. Denning
Sandra Black
Wei Cui
Mathieu Leduc
Philippe Jehiel
Shivam Gujral
Suraj Sridhar
Attila Lindner
Arindrajit Dube
Pascual Restrepo
Łukasz Rachel
Benjamin Moll
Kirill Borusyak
Michael McMahon
Frederic Malherbe
Gabor Pinter
Angus Foulis
Saleem Bahaj
Stone Centre

City limits: what do local-area minimum wages do?

What is this research about and why did you do it?

A rapidly growing number of US cities have decided to set local minimum wages. Are minimum wages set at city level a good idea? This study examines the main trade-offs emerging from the local variation in minimum wage policies looking at the potential distortions in the allocation of labour and businesses across locations (city boundaries) and the opportunity to tailor the policies to the local economic environment. Whilst the implications of minimum wage policies set at the federal or state-level have been studied extensively changes at the city level can potentially have very different implications.  

How did you answer this question?

In a first step, we provide descriptive evidence on the evolution of city-level minimum wages over time and the typical characteristics of cities which have instituted minimum wage policies. We also discuss how these characteristics are likely to affect the effectiveness of these policies. Second, we look at the existing evidence on the effects of city-level minimum wage policies and provide our own analysis of the overall impact of these policies on low-wage jobs in the spirit of Cengiz et al. (2019) and Jardim et al. (2017). Apart from employment and wage effects, we also discuss other potential consequences of city-level minimum wage policies for labour markets and consumer prices.  

What did you find?

Our descriptive analysis shows that cities passing local minimum wages are typically larger, and that their population has higher overall nominal wages and cost of living. A comparative analysis of the existing evidence on the employment effects of city-level minimum wages shows that moderate increases in the minimum wage have only limited negative effects on employment. Effects on the geographical reallocation of businesses, the entry and exit rates of firms and hours worked also appear to be of minor significance.  On the contrary, we find that moderate changes in consumer prices and reduced worker turnover are likely to be channels of adjustment in response to city-level minimum wages.  

What implications does this have for the research on wealth concentration or economic inequality?

Case studies focusing on minimum wage changes in one city only may be contaminated by other shocks (e.g. local economic booms and busts). We therefore provide an overall assessment of the city-level minimum wage changes instituted as of 2018. Our findings suggest that city-level minimum wages have increased wages for the bottom-quartile of the wage distribution without substantially affecting employment probabilities. Higher consumer prices are mainly borne by middle and higher-income consumers. Our findings highlight the importance of studying how local policies affect economic inequality.  

The figure shows the bin-by-bin employment changes from our regression analysis exploiting 21 city-level minimum wage changes between 2012 and 2018. The blue bars show, for each wage bin, the estimated average employment change in that bin relative to the total employment in the city in 2012. The error bars show the 95 percent confidence intervals. The red line shows the running sum of employment changes up to the wage bin to which it corresponds. The regression controls for 2012 values of cost of living, employment to population ratio, average wage, wage percentiles, shares of employment below wage cutoffs, and 1-digit level sectoral shares. Results are weighted by the population size of the city.

What are the next steps in your agenda?

Our aim is to better understand the welfare effects of city-level minimum wages. Welfare implications could arise, for example, from the reallocation of businesses from the city centre to more disadvantaged areas or the effects that these local policies have on rental and housing prices.  

Citation and related resources

This paper can be cited as: Dube, A. and Lindner, A. 2021. 'City limits: what do local-area minimum wages do?' Journal of Economic Perspectives, 35(1), pp: 27-50.

Related literature:

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