Marshall Steinbaum
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View article: Labor Market Concentration
Labor Market Concentration Open
A product market is concentrated when a few firms dominate the market. Similarly, a labor market is concentrated when a few firms dominate hiring in the market. Using data from the leading employment website CareerBuilder.com, we calculate…
View article: Establishing Market and Monopoly Power in Tech Platform Antitrust Cases
Establishing Market and Monopoly Power in Tech Platform Antitrust Cases Open
In June 2021, a federal judge dismissed the Federal Trade Commission’s first monopolization complaint against Facebook on the grounds that it did not plead sufficient facts to establish that Facebook possesses monopoly power in online soci…
View article: Market Concentration and Natural Resource Development in Rural America
Market Concentration and Natural Resource Development in Rural America Open
Natural resource development, both extractive (oil, gas, mining, timber) and non-extractive (tourism, real estate, outdoor recreation), has been found to negatively impact economic prosperity in rural America. One mechanism recently propos…
View article: Labor Market Concentration
Labor Market Concentration Open
José Azar, Ioana Marinescu and Marshall Steinbaum José Azar is Assistant Professor at the University of Navarra’s Business and Economics Department and a Visiting Assistant Professor and Research Associate at University of Navarra’s IESE B…
View article: Economists’ Tunney Act Reply Comments on the DOJ’s Proposed Remedy in the Sprint/T-Mobile Merger Proceeding
Economists’ Tunney Act Reply Comments on the DOJ’s Proposed Remedy in the Sprint/T-Mobile Merger Proceeding Open
Following up on our initial comments at the Tunney Act proceeding of the proposed merger between Sprint and T-Mobile, we discuss DOJ’s criticisms of these comments, explaining why these criticisms are baseless. Moreover, using evidence fro…
View article: The Effective Competition Standard: A New Standard for Antitrust
The Effective Competition Standard: A New Standard for Antitrust Open
America’s failing antitrust system is, in large part, to blame for today’s market power problem. Lax antitrust law and enforcement have allowed troubling trends like corporate consolidation to remain unchallenged, further embedding our ske…
View article: State of New York v. Deutsche Telecom AG. Brief of Amici Curiae Nicholas Economides, John Kwoka, Thomas Philippon, Robert Seamans, Hal Singer, Marshall Steinbaum, and Lawrence J. White in Support of Plaintiffs
State of New York v. Deutsche Telecom AG. Brief of Amici Curiae Nicholas Economides, John Kwoka, Thomas Philippon, Robert Seamans, Hal Singer, Marshall Steinbaum, and Lawrence J. White in Support of Plaintiffs Open
As economists with significant experience in competition, telecommunications, and regulatory matters, we have filed the attached brief in the case of State of New York v. Deutsche Telecom supporting the plaintiffs, who have sued to prevent…
View article: Assessing DOJs Proposed Remedy in Sprint/T-Mobile: Can Ex Ante Competitive Conditions in Wireless Markets Be Restored?
Assessing DOJs Proposed Remedy in Sprint/T-Mobile: Can Ex Ante Competitive Conditions in Wireless Markets Be Restored? Open
As economists with significant experience in competition and regulatory matters, we offer comments on the remedies proposed by the Department of Justice to address the competitive effects flowing from the proposed merger of Sprint and T-Mo…
View article: Replication data for: Measuring Labor Market Power Two Ways
Replication data for: Measuring Labor Market Power Two Ways Open
We compute the "applications elasticity" as a proxy for firm-level labor supply elasticity by regressing the applications to a given job on the posted wage. The average applications elasticity in our data is 0.42. We then relate our elasti…
View article: Concentration in US Labor Markets: Evidence From Online Vacancy Data
Concentration in US Labor Markets: Evidence From Online Vacancy Data Open
Using data on the near-universe of online US job vacancies collected by Burning Glass Technologies in 2016, we calculate labor market concentration using the Herfindahl-Hirschman index (HHI) for each commuting zone by 6-digit SOC occupatio…
View article: Labor Market Concentration
Labor Market Concentration Open
A product market is concentrated when a few firms dominate the market.Similarly, a labor market is concentrated when a few firms dominate hiring in the market.Using data from the leading employment website CareerBuilder.com, we calculate l…