Law Commons^™

If You Can't Beat Them, Join Them: Richard Posner And Behavioral Law And Economics, Avishalom Tor, Doran Teichman, Eyal Zamir

Journal Articles

Since its publication in 1973, Economic Analysis of Law (the Treatise) by Richard Posner has been recognized as the canonical treatise in the field. Given this status, observing changes over time in the different editions of the book can highlight substantial and methodological shifts in the area. On this backdrop, this brief essay will highlight Posner's change of attitude towards behavioral analysis of law over the years, culminating with the incorporation of behavioral insights into the las edition of this book, published in 2024.

Unreasonable Risk: The Failure To Ban Asbestos And The Future Of Toxic Substances Regulation, Rachel Rothschild

Law & Economics Working Papers

Every day, Americans are exposed to hundreds of chemicals in the air we breathe, the water we drink, and the products we use. The vast majority of these chemicals have never been tested for safety. Many have been shown to cause serious health harms, ranging from cancer to autoimmune illness to IQ loss. They also have disproportionate effects on some of the most vulnerable populations in our society, such as children, minorities, and industrial workers.

The law that is supposed to protect Americans from dangerous chemical exposures – the Toxic Substances Control Act (TSCA) – was long considered a dead …

Corporate Crime And Punishment: An Empirical Study, Dorothy S. Lund, Natasha Sarin

All Faculty Scholarship

For many years, law and economics scholars, as well as politicians and regulators, have debated whether corporate criminal enforcement overdeters beneficial corporate activity or in the alternative, lets corporate criminals off too easily. This debate has recently expanded in its polarization: On the one hand, academics, judges, and politicians have excoriated enforcement agencies for failing to send guilty bankers to jail in the wake of the 2008 financial crisis; on the other, the U.S. Department of Justice has since relaxed policies that encouraged individual prosecutions and reduced the size of fines and number of prosecutions. A crucial and yet understudied …

The Deregulation Deception, Cary Coglianese, Natasha Sarin, Stuart Shapiro

All Faculty Scholarship

President Donald Trump and members of his Administration repeatedly asserted that they had delivered substantial deregulation that fueled positive trends in the U.S. economy prior to the COVID pandemic. Drawing on an original analysis of data on federal regulation from across the Trump Administration’s four years, we show that the Trump Administration actually accomplished much less by way of deregulation than it repeatedly claimed—and much less than many commentators and scholars have believed. In addition, and also contrary to the Administration’s claims, overall economic trends in the pre-pandemic Trump years tended simply to follow economic trends that began years earlier. …

The Looming Crisis In Antitrust Economics, Herbert J. Hovenkamp

All Faculty Scholarship

As in so many areas of law and politics in the United States, antitrust’s center is at bay. It is besieged by a right wing that wants to limit antitrust even more than it has been limited over the last quarter century. On the left, it faces revisionists who propose significantly greater enforcement.

One thing the two extremes share, however, is denigration of the role of economics in antitrust analysis. On the right, the Supreme Court’s two most recent antitrust decisions at this writing reveal that economic analysis no longer occupies the central role that it once had. On the …

How Law Made Neoliberalism, Jedediah S. Purdy, Amy Kapczynski, David Singh Grewal

Faculty Scholarship

We live in an era of intersecting crises-some new, some old but newly visible. At the time of writing, the COVID-19 pandemic has already caused nearly 500,000 deaths in the United States alone, with many more deaths on the horizon in the coming months. Since its arrival in the United States, the virus has intersected with and magnified long-neglected problems-radical disparities in access to healthcare and the fulfillment of basic needs that disproportionately impact communities of color and working-class Americans, alongside a crisis of care for the young, elderly, and sick that stretches families and communities to the breaking point

Synthetic Governance, Byung Hyun Anh, Jill E. Fisch, Panos N. Patatoukas, Steven Davidoff Solomon

All Faculty Scholarship

Although securities regulation is distinct from corporate governance, the two fields have considerable substantive overlap. By increasing the transparency and efficiency of the capital markets, securities regulation can also enhance the capacity of those markets to discipline governance decisions. The importance of market discipline is heightened by the increasingly vocal debate over what constitutes “good” corporate governance.

Securities product innovation offers new tools to address this debate. The rise of index-based investing provides a market-based mechanism for selecting among governance options and evaluating their effects. Through the creation of bespoke governance index funds, asset managers can create indexes that correspond …

The Law And Economics Of Risk Regulation, Cary Coglianese

All Faculty Scholarship

Law plays a central role in the management of risk in society. The rules adopted by regulatory agencies now affect nearly every facet of the economy, and as such regulation has motivated a substantial body of academic research. Law and economics research on regulation has, first, demonstrated the normative justification for governmental intervention in the marketplace based on the concept of market failure. Second, political economy research on regulation has shown how, as a positive matter, interest groups, political movements, and public pressure affect the stringency of such regulation, sometimes more than any normative rationale for regulation. Third, risk regulation …

Regulatory Abdication In Practice, Cary Coglianese

All Faculty Scholarship

“Meta-regulation” refers to deliberate efforts to induce private firms to create their own internal regulations—a regulatory strategy sometimes referred to as “management-based regulation” or even “regulation of self-regulation.” Meta-regulation is often presented as a flexible alternative to traditional “command-and-control” regulation. But does meta-regulation actually work? In her recent book, Meta-Regulation in Practice: Beyond Normative Views of Morality and Rationality, Fiona Simon purports to offer a critique of meta-regulation based on an extended case study of the often-feckless process of electricity regulatory reform undertaken in Australia in the early part of this century. Yet neither Simon’s case study nor her book …

Spillover Effects In Police Use Of Force, Justin E. Holz, Roman G. Rivera, Bocar A. Ba

All Faculty Scholarship

We study the link between officer injuries-on-duty and the force-use of their peers using a network of officers who, through a random lottery, began the police academy together. We find that peer injuries-on-duty increase the probability of using force by 7%. The effect is concentrated in a narrow time window near the event and is not associated with significantly lower injury risk to the officer. Complaints of improper searches and failure to provide service also increase after peer injuries, suggesting that the increase in force might be driven by heightened risk aversion.

In-Group Bias And The Police: Evidence From Award Nominations, Nayoung Rim, Roman G. Rivera, Bocar A. Ba

All Faculty Scholarship

This paper examines the impact of in-group bias on the internal dynamics of a police department. Prior studies have documented racial bias in policing, but little is known about bias against officers due to lack of available data. We construct a novel panel dataset of Chicago Police Department officers, with detailed information on officer characteristics and work productivity. Exploiting quasi-random variation in supervisor assignment, we find that white supervisors are less likely to nominate black officers than white or Hispanic officers. We find weaker evidence that male supervisors are less likely to nominate female officers than male officers. We explore …

The Reverse Agency Problem In The Age Of Compliance, Asaf Eckstein, Gideon Parchomovsky

All Faculty Scholarship

The agency problem, the idea that corporate directors and officers are motivated to prioritize their self-interest over the interest of their corporation, has had long-lasting impact on corporate law theory and practice. In recent years, however, as federal agencies have stepped up enforcement efforts against corporations, a new problem that is the mirror image of the agency problem has surfaced—the reverse agency problem. The surge in criminal investigations against corporations, combined with the rising popularity of settlement mechanisms including Pretrial Diversion Agreements (PDAs), and corporate plea agreements, has led corporations to sacrifice directors and officers in order to reach settlements …

On The Nature Of Norms: Biology, Morality, And The Disruption Of Order, Owen D. Jones

Owen Jones

This essay discusses the legal implications of bio-behavioral underpinnings to norms, morality, and economic order. It first discusses the recent book "The Great Disruption: Human Nature and the Reconstitution of Social Order," in which Francis Fukuyama explores the importance of evolved human nature to the reconstruction of social order and a thriving economy. It then addresses the extent to which we can usefully view law-relevant norms as products of evolutionary - as well as economic - processes.

In The Shadow Of The Law: The Role Of Custom In Intellectual Property, Jennifer E. Rothman

All Faculty Scholarship

Custom, including industry practices and social norms, has a tremendous influence on intellectual property (“IP”) law, from affecting what happens outside of the courts in the trenches of the creative, technology, and science-based industries, to influencing how courts analyze infringement and defenses in IP cases. For decades, many scholars overlooked or dismissed the impact of custom on IP law in large part because of a belief that the dominant statutory frameworks that govern IP left little room for custom to play a role. In the last ten years, however, the landscape has shifted and more attention has been given to …

The New Titans Of Wall Street: A Theoretical Framework For Passive Investors, Jill E. Fisch, Asaf Hamdani, Steven Davidoff Solomon

All Faculty Scholarship

Passive investors — ETFs and index funds — are the most important development in modern day capital markets, dictating trillions of dollars in capital flows and increasingly owning much of corporate America. Neither the business model of passive funds, nor the way that they engage with their portfolio companies, however, is well understood, and misperceptions of both have led some commentators to call for passive investors to be subject to increased regulation and even disenfranchisement. Specifically, this literature takes a narrow view both of the market in which passive investors compete to manage customer funds and of passive investors’ participation …

The Effects Of Holistic Defense On Criminal Justice Outcomes, James Anderson, Maya Buenaventura, Paul Heaton

All Faculty Scholarship

No abstract provided.

How Liability Insurers Protect Patients And Improve Safety, Tom Baker, Charles Silver

All Faculty Scholarship

Forty years after the publication of the first systematic study of adverse medical events, there is greater access to information about adverse medical events and increasingly widespread acceptance of the view that patient safety requires more than vigilance by well-intentioned medical professionals. In this essay, we describe some of the ways that medical liability insurance organizations contributed to this transformation, and we catalog the roles that those organizations play in promoting patient safety today. Whether liability insurance in fact discourages providers from improving safety or encourages them to protect patients from avoidable harms is an empirical question that a survey …

Optimizing Regulation For An Optimizing Economy, Cary Coglianese

All Faculty Scholarship

Much economic activity in the United States today emanates from technological advances that optimize through contextualization. Innovations as varied as Airbnb and Uber, fintech firms, and precision medicine are transforming major sectors in the economy by customizing goods and services as well as refining matches between available resources and interested buyers. The technological advances that make up the optimizing economy create new challenges for government oversight of the economy. Traditionally, government has overseen economic activity through general regulations that aim to treat all individuals equally; however, in the optimizing economy, business is moving in the direction of greater individualization, not …

On The Disparate Treatment Of Business And Personal Salt Payments, Michael S. Knoll

All Faculty Scholarship

The Tax Cuts and Jobs Act, H.R. 1, would eliminate the federal income tax deduction for nonbusiness state and local taxes while maintaining the deduction for business state and local taxes. That disparate treatment has generated a storm of negative commentary. In this short essay, I consider whether the federal tax law should allow a deduction for business state and local taxes assuming that there is no deduction for nonbusiness state and local taxes. I argue that investors and businesses, including pass-through businesses, should be allowed to deduct state and local property and sales taxes, but not general income taxes.

Antitrust And The Design Of Production, Herbert J. Hovenkamp

All Faculty Scholarship

Both economics and antitrust policy have traditionally distinguished “production” from “distribution.” The former is concerned with how products are designed and built, the latter with how they are placed into the hands of consumers. Nothing in the language of the antitrust laws suggests much concern with production as such. Although courts do not view it that way, even per se unlawful naked price fixing among rivals is a restraint on distribution rather than production. Naked price fixing assumes a product that has already been designed and built, and the important cartel decision is what should be each firm’s output, or …

The Inevitability And Ubiquity Of Cycling In All Feasible Legal Regimes: A Formal Proof, Leo Katz, Alvaro Sandroni

All Faculty Scholarship

Intransitive choices, or cycling, are generally held to be the mark of irrationality. When a set of rules engenders such choices, it is usually held to be irrational and in need of reform. In this article, we prove a series of theorems, demonstrating that all feasible legal regimes are going to be rife with cycling. Our first result, the legal cycling theorem, shows that unless a legal system meets some extremely restrictive conditions, it will lead to cycling. The discussion that follows, along with our second result, the combination theorem, shows exactly why these conditions are almost impossible to meet. …

The Separation Of Corporate Law And Social Welfare, William W. Bratton

All Faculty Scholarship

A half century ago, corporate legal theory pursued an institutional vision in which corporations and the law that creates them protect people from the ravages of volatile free markets. That vision was challenged on the ground during the 1980s, when corporate legal institutions and market forces came to blows over questions concerning hostile takeovers. By 1990, it seemed like the institutions had won. But a different picture has emerged as the years have gone by. It is now clear that the market side really won the battle of the 1980s, succeeding in entering a wedge between corporate law and social …

Regulatory Entrepreneurship, Elizabeth Pollman, Jordan M. Barry

All Faculty Scholarship

This Article examines what we term “regulatory entrepreneurship” — pursuing a line of business in which changing the law is a significant part of the business plan. Regulatory entrepreneurship is not new, but it has become increasingly salient in recent years as companies from Airbnb to Tesla, and from DraftKings to Uber, have become agents of legal change. We document the tactics that companies have employed, including operating in legal gray areas, growing “too big to ban,” and mobilizing users for political support. Further, we theorize the business and law-related factors that foster regulatory entrepreneurship. Well-funded, scalable, and highly connected …

Paper Dragon Thieves, J.S. Nelson

J.S. Nelson

Human Survival, Risk, And Law: Considering Risk Filters To Replace Cost-Benefit Analysis, John William Draper

Librarian Scholarship at Penn Law

Selfish utilitarianism, neo-classical economics, the directive of short-term income maximization, and the decision tool of cost-benefit analysis fail to protect our species from the significant risks of too much consumption, pollution, or population. For a longer-term survival, humanity needs to employ more than cost-justified precaution.

This article argues that, at the global level, and by extension at all levels of government, we need to replace neo-classical economics with filters for safety and feasibility to regulate against significant risk. For significant risks, especially those that are irreversible, we need decision tools that will protect humanity at all scales. This article describes …

Optimizing Government For An Optimizing Economy, Cary Coglianese

All Faculty Scholarship

Much entrepreneurial growth in the United States today emanates from technological advances that optimize through contextualization. Innovations as varied as Airbnb and Uber, fintech firms and precision medicine, are transforming major sectors in the economy by customizing goods and services as well as refining matches between available resources and interested buyers. The technological advances that make up the optimizing economy create new challenges for government oversight of the economy. Traditionally, government has overseen economic activity through general regulations that aim to treat all individuals equally; however, in the optimizing economy, business is moving in the direction of greater individualization, not …

Behavioral Economics Of Education: Progress And Possibilities, Adam Lavecchia, Heidi H. Liu, Philip Oreopoulos

All Faculty Scholarship

Behavioral economics attempts to integrate insights from psychology, neuroscience, and sociology in order to better predict individual outcomes and develop more effective policy. While the field has been successfully applied to many areas, education has, so far, received less attention – a surprising oversight, given the field's key interest in long-run decision-making and the propensity of youth to make poor long-run decisions. In this chapter, we review the emerging literature on the behavioral economics of education. We first develop a general framework for thinking about why youth and their parents might not always take full advantage of education opportunities. We …

The Law And Economics Of Proportionality In Discovery, Jonah B. Gelbach, Bruce H. Kobayashi

All Faculty Scholarship

This paper analyzes the proportionality standard in discovery. Many believe the Advisory Committee's renewed emphasis on this standard has the potential to infuse litigation practice with considerably more attention to questions related to the costs and benefits of discovery. We discuss the history and rationale of proportionality's inclusion in Rule 26, adopting an analytical framework that focuses on how costs and benefits can diverge in litigation generally, and discovery in particular. Finally, we use this framework to understand the mechanics and challenges involved in deploying the six factors included in the proportionality standard. Throughout, we emphasize that the proportionality standard …

The Corporate Shell Game, J.S. Nelson

J.S. Nelson

Using Social Norms As A Substitute For Law, Bryan H. Druzin

Bryan H. Druzin