Social and Behavioral Sciences Commons^™

How Social Structure Shapes Female Competition Throughout Her Lifetime, Jeffrey Flory, Kenneth L. Leonard, Magda Tsaneva, Kathryn Vasilaky

Economics

Many studies find a consistent gender gap in competitiveness where men are more likely to compete than women given the same level of ability. Using data from experiments with women ages 12 through 90 in matrilocal and patrilocal communities in rural Malawi, we show that this gender gap does not exist uniformly for all women nor across their whole lifetime. We first replicate three main findings from the gender and competition literature: (i) women are less likely to compete on average; and the gender gap differs by (ii) culture and by (iii) age. In a new finding, we show that …

On The Alignment Of Consumer Surplus And Total Surplus Under Competitive Price Discrimination, Dirk Bergemann, Benjamin Brooks, Stephen Morris

Cowles Foundation Discussion Papers

A number of producers of heterogeneous goods with heterogeneous costs compete in prices. When producers know their own production costs and consumers know their values, consumer surplus and total surplus are aligned: the information structure and equilibrium that maximize consumer surplus also maximize total surplus. We report when alignment extends to the case where either consumers are uncertain about their own values or producers are uncertain about their own costs, and we also give examples showing when it does not. Less information for either producers or consumers may intensify competition in a way that benefits consumers but results in inefficient …

How Do Digital Advertising Auctions Impact Product Prices?, Alessandro Bonatti, Dirk Bergemann, Nicholas Wu

Cowles Foundation Discussion Papers

We ask how the advertising mechanisms of digital platforms impact product prices. We present a model that integrates three fundamental features of digital advertising markets: (i) advertisers can reach customers on and off-platform, (ii) additional data enhances the value of matching advertisers and consumers, and (iii) bidding follows auction-like mechanisms. We compare data-augmented auctions, which leverage the platform’s data advantage to improve match quality, with managed campaign mechanisms, where advertisers’ budgets are transformed into personalized matches and prices through auto-bidding algorithms. In data-augmented second-price auctions, advertisers increase off-platform product prices to boost their competitiveness on-platform. This leads to socially efficient …

How Do Digital Advertising Auctions Impact Product Prices?, Dirk Bergemann, Alessandro Bonatti, Nick Wu

Cowles Foundation Discussion Papers

We ask how the advertising mechanisms of digital platforms impact product prices. We present a model that integrates three fundamental features of digital advertising markets: (i) advertisers can reach customers on and off-platform, (ii) additional data enhances the value of matching advertisers and consumers, and (iii) bidding follows auction-like mechanisms. We compare data-augmented auctions, which leverage the platform’s data advantage to improve match quality, with managed campaign mechanisms, where advertisers’ budgets are transformed into personalized matches and prices through auto-bidding algorithms. In data-augmented second-price auctions, advertisers increase off-platform product prices to boost their competitiveness on-platform. This leads to socially efficient …

Managed Campaigns And Data-Augmented Auctions For Digital Advertising, Dirk Bergemann, Alessandro Bonatti, Nicholas Wu

Cowles Foundation Discussion Papers

We develop an auction model for digital advertising. A monopoly platform has access to data on the value of the match between advertisers and consumers. The platform support bidding with additional information and increase the feasible surplus for on-platform matches. Advertisers jointly determine their pricing strategy both on and off the platform, as well as their bidding for digital advertising on the platform. We compare a data-augmented second-price auction and a managed campaign mechanism. In the data-augmented auction, the bids by the advertisers are informed by the data of the platform regarding the value of the match. This results in …

Data, Competition, And Digital Platforms, Dirk Bergemann, Alessandro Bonatti

Cowles Foundation Discussion Papers

We analyze digital markets where a monopolist platform uses data to match multiproduct sellers with heterogeneous consumers who can purchase both on and o§ the platform. The platform sells targeted ads to sellers that recommend their products to consumers and reveals information to consumers about their values. The revenueoptimal mechanism is a managed advertising campaign that matches products and preferences e¢ ciently. In equilibrium, sellers o§er higher qualities at lower unit prices on than o§ the platform. Privacy-respecting data-governance rules such as organic search results or federated learning can lead to welfare gains for consumers.

Section 5 In Action: Reinvigorating The Ftc Act And The Rule Of Law, Lina M. Khan

Faculty Scholarship

The Federal Trade Commission Act of 1914 didn’t just create a new agency. It created new law for that agency to enforce. The heart of that law is Section 5, which provides that ‘unfair methods of competition in or affecting commerce’ are ‘hereby declared unlawful’. In passing this law, Congress also tasked the FTC with identifying the range of methods of competition that qualify as unfair, since lawmakers recognized they could not specify them all prospectively.

This is a straightforward reading of the statute, and yet it is somewhat controversial. There is a school of thought that considers Section 5’s …

Data, Competition, And Digital Platforms, Dirk Bergemann, Alessandro Bonatti

Cowles Foundation Discussion Papers

We propose a model of intermediated digital markets where data and heterogeneity in tastes and products are deÖning features. A monopolist platform uses superior data to match consumers and multiproduct advertisers. Consumers have heterogenous preferences for the advertisers' product lines and shop on- or o§-platform. The platform monetizes its data by selling targeted advertising space that allows advertisers to tailor their products to each consumer's preferences. We derive the equilibrium product lines and advertising prices. We identify search costs and informational advantages as two sources of the platform's bargaining power. We show that privacy-enhancing data-governance rules, such as those corresponding …

The Role Of Data For Ai Startup Growth, James Bessen, Stephen Michael Impink, Lydia Reichensperger, Robert Seamans

Faculty Scholarship

Artificial intelligence (“AI”)-enabled products are expected to drive economic growth. Training data are important for firms developing AI-enabled products; without training data, firms cannot develop or refine their algorithms. This is particularly the case for AI startups developing new algorithms and products. However, there is no consensus in the literature on which aspects of training data are most important. Using unique survey data of AI startups, we find that startups with access to proprietary training data are more likely to acquire venture capital funding.

Personalized Pricing And Competition, Andrew Rhodes, Jidong Zhou

Cowles Foundation Discussion Papers

We study personalized pricing (or first-degree price discrimination) in a general oligopoly model. In the short-run, when the market structure is fixed, the impact of personalized pricing hinges on the degree of market coverage (i.e., how many consumers buy). If coverage is high (e.g., because the production cost is low, or the number of firms is large), personalized pricing intensifies competition and so harms firms but benefits consumers, whereas the opposite is true if coverage is low. However in the long-run, when the market structure is endogenous, personalized pricing always benefits consumers because it induces the socially optimal level of …

Personalized Pricing And Competition, Andrew Rhodes, Jidong Zhou

Cowles Foundation Discussion Papers

We study personalized pricing in a general oligopoly model. When the market structure is fixed, the impact of personalized pricing relative to uniform pricing hinges on the degree of market coverage. If market conditions are such that coverage is high, personalized pricing harms firms and benefits consumers, whereas the opposite is true if coverage is low. However, when the market structure is endogenous, personalized pricing benefits consumers because it induces socially optimal firm entry. Finally, when only some firms have data to personalize prices, consumers can be worse off compared to when either all or no firms personalize prices.

Antitrust And Platform Monopoly, Herbert J. Hovenkamp

All Faculty Scholarship

Are large digital platforms that deal directly with consumers “winner take all,” or natural monopoly, firms? That question is surprisingly complex and does not produce the same answer for every platform. The closer one looks at digital platforms the less they seem to be winner-take-all. As a result, competition can be made to work in most of them. Further, antitrust enforcement, with its accommodation of firm variety, is generally superior to any form of statutory regulation that generalizes over large numbers.

Assuming that an antitrust violation is found, what should be the remedy? Breaking up large firms subject to extensive …

The Irony Of Health Care’S Public Option, Allison K. Hoffman

All Faculty Scholarship

The idea of a public health insurance option is at least a half century old, but has not yet had its day in the limelight. This chapter explains why if that moment ever comes, health care’s public option will fall short of expectations that it will provide a differentiated, meaningful alternative to private health insurance and will spur health insurance competition.

Health care’s public option bubbled up in its best-known form in California in the early 2000s and got increasing mainstream attention in the lead up to the 2010 health reform, the Patient Protection and Affordable Care Act (ACA). The …

Is The Digital Economy Too Concentrated?, Jonathan Klick

All Faculty Scholarship

Concentration in the digital economy in the United States has sparked loud criticism and spurred calls for wide-ranging reforms. These reforms include everything from increased enforcement of existing antitrust laws, such as challenging more mergers and breaking up firms, to an abandonment of the consumer welfare standard. Critics cite corruption and more systemic public choice problems, while others invoke the populist origins of antitrust to slay the digital Goliaths. On the other side, there is skepticism regarding these arguments. This chapter continues much of that skepticism.

Network Effects In Action, Christopher S. Yoo

All Faculty Scholarship

This Chapter begins by examining and exploring the theoretical and empirical limits of the possible bases of network effects, paying particular attention to the most commonly cited framework known as Metcalfe’s Law. It continues by exploring the concept of network externalities, defined as the positive external consumption benefits that the decision to join a network creates for the other members of the network, which is more ambiguous than commonly realized. It then reviews the structural factors needed for models based on network effects to have anticompetitive effects and identifies other factors that can dissipate those effects. Finally, it identifies alternative …

Competitive Harm From Vertical Mergers, Herbert J. Hovenkamp

All Faculty Scholarship

The antitrust enforcement Agencies' 2020 Vertical Merger Guidelines introduce a nontechnical application of bargaining theory into the assessment of competitive effects from vertical acquisitions. The economics of such bargaining is complex and can produce skepticism among judges, who might regard its mathematics as overly technical, its game theory as excessively theoretical or speculative, or its assumptions as unrealistic.

However, we have been there before. The introduction of concentration indexes, particularly the HHI, in the Merger Guidelines was initially met with skepticism but gradually they were accepted as judges became more comfortable with them. The same thing very largely happened again …

Trust And Trustworthiness In Procurement Contracts With Retainage, Matthew J. Walker, Elena Katok, Jason Shachat

ESI Working Papers

In complex procurement projects, it is difficult to write enforceable contracts that condition price upon quality. Supplier non-performance becomes an acute risk, particularly when there is intense competition for the contract. An established incentive mechanism used to mitigate the problem of supplier non-performance is retainage, in which the buyer sets aside a portion of the purchase price. After project completion, the buyer determines the amount of retainage that is released to the seller, considering any defects that arise. While generally a feasible contract form to implement, the practical difficulties in assessing completion introduce a moral hazard for the buyer. We …

Foreign Direct Investment And Industrial Agglomeration: Evidence From China, Wen-Tai Hsu, Yi Lu, Xuan Luo, Lianming Zhu

Research Collection School Of Economics

This paper studies the effect of foreign direct investment (FDI) on industrial ag-glomeration. Using the differential effects of FDI deregulation in 2002 in China on different industries, we find that FDI actually affects industrial agglomeration neg-atively. As FDI brings technological spillovers and various agglomeration benefits, other forces must be at work to drive our empirical finding. We propose a simple theory that FDI may discourage industrial agglomeration due to fiercer competition pressure. We find various evidence on this competition mechanism. We also examine an alternative theory based on spatial political competition, but find no evidence sup-porting it. On industrial growth, …

The Post-Chicago Antitrust Revolution: A Retrospective, Christopher S. Yoo

All Faculty Scholarship

A symposium examining the contributions of the post-Chicago School provides an appropriate opportunity to offer some thoughts on both the past and the future of antitrust. This afterword reviews the excellent papers with an eye toward appreciating the contributions and limitations of both the Chicago School, in terms of promoting the consumer welfare standard and embracing price theory as the preferred mode of economic analysis, and the post-Chicago School, with its emphasis on game theory and firm-level strategic conduct. It then explores two emerging trends, specifically neo-Brandeisian advocacy for abandoning consumer welfare as the sole goal of antitrust and the …

Competition And Monopoly In The U.S. Economy: What Do Industrial Concentration Data Tell?, Leila Davis, ÖZgüR Orhangazi

PERI Working Papers

A recent series of academic studies, think-tank reports, and news articles shows widespread attention to rising industrial concentration and market power in the U.S. economy. In this paper, we focus on concentration in the U.S. nonfinancial corporate sector to make three contributions to this literature. First, we trace the theoretical origins of the debate on industrial concentration, and show that there is a certain degree of ambiguity surrounding the expected consequences of concentration and monopolization for nonfinancial firms. Second, we use industry- level concentration data to describe recent trends in average concentration. We show that, while concentration increases across the …

Anticompetitive Mergers In Labor Markets, Ioana Marinescu, Herbert J. Hovenkamp

All Faculty Scholarship

Mergers of competitors are conventionally challenged under the federal antitrust laws when they threaten to lessen competition in some product or service market in which the merging firms sell. Mergers can also injure competition in markets where the firms purchase. Although that principle is widely recognized, very few litigated cases have applied merger law to buyers. This article concerns an even more rarefied subset, and one that has barely been mentioned. Nevertheless, its implications are staggering. Some mergers may be unlawful because they injure competition in the labor market by enabling the post-merger firm anticompetitively to suppress wages or salaries. …

Prophylactic Merger Policy, Herbert J. Hovenkamp

All Faculty Scholarship

An important purpose of the antitrust merger law is to arrest certain anticompetitive practices or outcomes in their “incipiency.” Many Clayton Act decisions involving both mergers and other practices had recognized the idea as early as the 1920s. In Brown Shoe the Supreme Court doubled down on the idea, attributing to Congress a concern about a “rising tide of economic concentration” that must be halted “at its outset and before it gathered momentum.” The Supreme Court did not explain why an incipiency test was needed to address this particular problem. Once structural thresholds for identifying problematic mergers are identified there …

Does Foreign Direct Investment Lead To Industrial Agglomeration?, Wen-Tai Hsu, Yi Lu, Xuan Luo, Lianming Zhu

Research Collection School Of Economics

This paper studies the effect of foreign direct investment (FDI) on industrial agglomeration. Using the differential effects of FDI deregulation in 2002 in China on different industries, we find that FDI actually affects industrial agglomeration negatively. This result is somewhat counter-intuitive, as the conventional wisdom tends to suggest that FDI attracts domestic firms to cluster for various agglomeration benefits, in particular technology spillovers. To reconcile our empirical findings and the conventional wisdom, we develop a theory of FDI and agglomeration based on two counter-veiling forces. Technology diffusion from FDI attracts domestic firms to cluster, but fiercer competition drives firms away. …

Sex Differences In Political Leadership In An Egalitarian Society, Christopher Von Rueden, Sarah Alami, Hillard Kaplan, Michael Gurven

ESI Publications

We test the contribution of sex differences in physical formidability, education, and cooperation to the acquisition of political leadership in a small-scale society. Among forager-farmers from the Bolivian Amazon, we find that men are more likely to exercise different forms of political leadership, including verbal influence during community meetings, coordination of community projects, and dispute resolution. We show that these differences in leadership are not due to gender per se but are associated with men’s greater number of cooperation partners, greater access to schooling, and greater body size and physical strength. Men’s advantage in cooperation partner number is tied to …

Competing For Talent, Yuhta Ishii, Aniko Öry, Adrien Vigier

Cowles Foundation Discussion Papers

In many labor markets, e.g., for lawyers, consultants, MBA students, and professional sport players, workers get offered and sign long-term contracts even though waiting could reveal significant information about their capabilities. This phenomenon is called unraveling. We examine the link between wage bargaining and unraveling. Two firms, an incumbent and an entrant, compete to hire a worker of unknown talent. Informational frictions prevent the incumbent from always observing the entrant’s arrival, inducing unraveling in all equilibria. We analyze the extent of unraveling, surplus shares, the average talent of employed workers, and the distribution of wages within and across firms.

Horizontal Mergers, Market Structure, And Burdens Of Proof, Herbert J. Hovenkamp, Carl Shapiro

All Faculty Scholarship

Since the Supreme Court’s landmark 1963 decision in Philadelphia National Bank, antitrust challengers have mounted prima facie cases against horizontal mergers that rested on the level and increase in market concentration caused by the merger, with proponents of the merger then permitted to rebut by providing evidence that the merger will not have the feared anticompetitive effects. Although the way that concentration is measured and the triggering levels have changed over the last half century, the basic approach has remained intact. This longstanding structural presumption, which is well supported by economic theory and evidence, has been critical to effective …

Single Bidders And Tacit Collusion In Highway Procurement Auctions, David R. Barrus, Frank A. Scott Jr.

Institute for the Study of Free Enterprise Working Papers

Collusion in auctions can take different forms, one of which is refraining from bidding. Such behavior may be overt or tacit.Certain aspects of highway procurement auctions facilitate collusive outcomes. We collect data on asphalt paving auctions conducted by the Kentucky Transportation Cabinet from 2005 to 2007. We analyze both the bid participation decision and the pricing decision. We include variables that affect firm’s’ costs as well as variables that capture competitive and strategic effects. Most importantly, we determine the potential service area of each asphalt plant and use that information to determine the potential bidders for each paving project. We …

Cooperation Versus Competition In Works Of Russian Evolutionists, Svetlana G. Kirdina-Chandler, John B. Hall

Economics Faculty Publications and Presentations

The article is in Russian.

One of the fundamental assumptions of mainstream economics is that competing agents maximising individual utility comprise the near totality of economic activity. However, this assumption attracts criticism because there is little experimental evidence to suggest that the competitive model is the only form of economic activity. Therefore, searches for other plausible theoretical foundations for economic activity, such as cooperation and mutual aid, are still relevant. In this connection our inquiry reintroduces a debate which occurred in Russia in the 19th and early 20thcenturies. Responses to Charles Darwin’s “The Origin of Species by Means of Natural …

The Pros And Cons Of Workplace Tournaments, Roman M. Sheremeta

ESI Working Papers

Tournaments are commonly used in the workplace to determine promotion, assign bonuses, and motivate personal development. Tournament-based contracts can be very effective in eliciting high effort, often outperforming other compensation contracts, but they can also have negative consequences for both managers and workers. The benefits and disadvantages of workplace tournaments have been identified in theoretical, empirical, and experimental research over the past several decades. Based on these findings, I provide suggestions and guidelines for when it might be beneficial to use tournaments in the workplace.

Impulsive Behavior In Competition: Testing Theories Of Overbidding In Rent-Seeking Contests, Roman M. Sheremeta

ESI Working Papers

Researchers have proposed various theories to explain overbidding in rent-seeking contents, including mistakes, systematic biases, the utility of winning, and relative payoff maximization. Through an eight-part experiment, we test and find significant support for the existing theories. Also, we discover some new explanations based on cognitive ability and impulsive behavior. Out of all explanations examined, we find that impulsivity is the most important factor explaining overbidding in contests.