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University of Michigan Law School

Law and Economics

Efficiency

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Market Efficiency And The Problem Of Retail Flight, Alicia J. Davis Nov 2014

Market Efficiency And The Problem Of Retail Flight, Alicia J. Davis

Articles

In 1950, 91 % of common stock in the U.S. was owned directly by individual inves­ tors. Today, that percentage stands at only 23%. The mass exodus of retail investors and their investment dollars has negative implications not only for capital formation and investor protection, but also for market efficiency. Individual investors are often assumed to be noise traders who distort stock prices and harm market functioning. Therefore, some argue that their withdrawal from the market should be of little concern; indeed, it should be celebrated. Recent empirical evidence calls this assertion of retail noise trading into doubt, and this …


Understanding Insurance Anti-Discrimination Laws, Ronen Avraham, Kyle D. Logue, Daniel Schwarcz Jan 2014

Understanding Insurance Anti-Discrimination Laws, Ronen Avraham, Kyle D. Logue, Daniel Schwarcz

Articles

Insurance companies are in the business of discrimination. Insurers attempt to segregate insureds into separate risk pools based on the differences in their risk profiles, first, so that different premiums can be charged to the different groups based on their differing risks and, second, to incentivize risk reduction by insureds. This is why we let insurers discriminate. There are limits, however, to the types of discrimination that are permissible for insurers. But what exactly are those limits and how are they justified? To answer these questions, this Article (a) articulates the leading fairness and efficiency arguments for and against limiting …


Towards A Universal Framework For Insurance Anti-Discrimination Laws, Ronen Avraham, Kyle D. Logue, Daniel Schwarcz Jan 2014

Towards A Universal Framework For Insurance Anti-Discrimination Laws, Ronen Avraham, Kyle D. Logue, Daniel Schwarcz

Articles

Discrimination in insurance is principally regulated at the state level. Surprisingly, there is a great deal of variation across coverage lines and policyholder characteristics in how and the extent to which risk classification by insurers is limited. Some statutes expressly permit insurers to consider certain characteristics, while other characteristics are forbidden or limited in various ways. What explains this variation across coverage lines and policyholder characteristics? Drawing on a unique, hand-collected data-set consisting of the laws regulating insurer risk classification in fifty-one U.S. jurisdictions, this Article argues that much of the variation in state-level regulation of risk classification can in …


The Last Best Hope For Progressivity In Tax, E. J. Mccaffery, James R. Hines Jr. Jan 2010

The Last Best Hope For Progressivity In Tax, E. J. Mccaffery, James R. Hines Jr.

Articles

We argue that a spending tax, as opposed to an income or wage tax, is the “last best hope” for a return to significantly more progressive marginal tax rates than obtain today. The simple explanation for this central claim looks to incentive effects, especially for “rich people,” as both economists and commentators are inclined to focus. High marginal tax rates under an income tax fall on and hence deter the socially productive activities of work and savings. High marginal rates under a wage tax fall on and hence deter the socially productive activity of work alone. But high marginal rates …


The Attack On Nonprofit Status: A Charitable Assessment, James R. Hines Jr., Jill R. Horwitz, Austin Nichols Jan 2010

The Attack On Nonprofit Status: A Charitable Assessment, James R. Hines Jr., Jill R. Horwitz, Austin Nichols

Articles

American nonprofit organizations receive favorable tax treatment, including tax exemptions and tax-deductibility of contributions, in return for their devotion to charitable purposes and restrictions not to distribute profits. Recent efforts to extend some or all of these tax benefits to for-profit companies making social investments, including the creation of the new hybrid nonprofit/for-profit company form known as the Low-Profit Limited Liability Company, threaten to undermine the vitality of the nonprofit sector and the integrity of the tax system. Reform advocates maintain that the ability to compensate executives based on performance and to distribute profits when attractive investment opportunities are scarce …


Insider Trading Rules Can Affect Attractiveness Of Country's Stock Markets, Laura Nyantung Beny Jan 2007

Insider Trading Rules Can Affect Attractiveness Of Country's Stock Markets, Laura Nyantung Beny

Articles

The academic debate about the desirability of prohibiting insider trading is longstanding and as yet unresolved. Until Henry Manne’s 1966 book, Insider Trading and the Stock Market, the debate centered on whether insider trading is unfair to public investors who are not privy to private corporate information. However, the fairness approach is malleable and indeterminate and thus does not lend itself to clear-cut policy prescriptions. Since Manne’s book, the focus of the debate has been on the effect of insider trading on economic efficiency. Manne argued that, contrary to the prevailing legal and moral opinion of the time, insider trading …


Behavioral Economics And The Sec, Stephen J. Choi, Adam C. Pritchard Jan 2003

Behavioral Economics And The Sec, Stephen J. Choi, Adam C. Pritchard

Articles

Not all investors are rational. Quite apart from the obvious examples of credulity in the face of the latest Ponzi scheme, there is no shortage of evidence that many investors' decisions are influenced by systematic biases that impair their abilities to maximize their investment returns. For example, investors will often hold onto poorly performing stocks longer than warranted, hoping to recoup their losses. Other investors will engage in speculative trading, dissipating their returns by paying larger commissions than more passive investors. And we are not just talking about widows and orphans here. There is evidence that supposedly sophisticated institutional investors-mutual …


A Control-Based Approach To Shareholder Liability For Corporate Torts, Nina A. Mendelson Jan 2002

A Control-Based Approach To Shareholder Liability For Corporate Torts, Nina A. Mendelson

Articles

Some commentators defend limited shareholder liability for torts and statutory violations as efficient, even though it encourages corporations to overinvest in and to externalize the costs of risky activity. Others propose pro rata unlimited shareholder liability for corporate torts. Both approaches, however, fail to account fully for qualitative differences among shareholders. Controlling shareholders, in particular, may have lower information costs, greater influence over managerial decisionmaking, and greater ability to benefit from corporate activity. This Article develops a control-based approach to shareholder liability. It first explores several differences among shareholders. For example, a controlling shareholder can more easily curb managerial risk …


Property Rules And Liability Rules: The Cathedral In Another Light, James E. Krier, Stewart J. Schwab Jan 1995

Property Rules And Liability Rules: The Cathedral In Another Light, James E. Krier, Stewart J. Schwab

Articles

Ronald Coase's essay on "The Problem of Social Cost" introduced the world to transaction costs, and the introduction laid the foundation for an ongoing cottage industry in law and economics. And of all the law-and-economics scholarship built on Coase's insights, perhaps the most widely known and influential contribution has been Calabresi and Melamed's discussion of what they called "property rules" and "liability rules."' Those rules and the methodology behind them are our subjects here. We have a number of objectives, the most basic of which is to provide a much needed primer for those students, scholars, and lawyers who are …


The Un-Easy Case For Technological Optimism, James E. Krier, Clayton P. Gillette Jan 1985

The Un-Easy Case For Technological Optimism, James E. Krier, Clayton P. Gillette

Articles

"Technological optimism" is a term of art, an article of faith, and a theory of politics. It is a view that pervades modem attitudes, yet gets little explicit attention. For a brief period the situation was otherwise. In the early 1970s, the optimistic outlook figured prominently in an important debate about nothing less than the future of the world. Technological optimism won. The outcome was unsurprising, given the nature of the argument. On one side of the debate was a group of self-proclaimed Malthusians who foresaw an impending period of stark scarcity unless relatively drastic remedial steps were quickly taken; …


The Problem Of Social Cost Revisited, Donald H. Regan Jan 1972

The Problem Of Social Cost Revisited, Donald H. Regan

Articles

SOME years ago, in a paper entitled "The Problem of Social Cost," Professor Ronald Coase asserted and argued for a proposition which has since acquired the convenient sobriquet "the Coase Theorem." The proposition is: That in a world of perfect competition, perfect information, and zero transaction costs, the allocation of resources in the economy will be efficient and will be unaffected by legal rules regarding the initial impact of costs resulting from externalities. Note that there are two claims being made, which it is well to separate for purposes of discussion. The first claim is that, under the conditions described, …