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Public Law and Legal Theory

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University of Pennsylvania Carey Law School

Law and economics

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The Deregulation Deception, Cary Coglianese, Natasha Sarin, Stuart Shapiro Jun 2021

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

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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 Social Value Of Mortality Risk Reduction: Vsl Vs. The Social Welfare Function Approach, Matthew D. Adler, James K. Hammitt, Nicholas Treich Mar 2012

The Social Value Of Mortality Risk Reduction: Vsl Vs. The Social Welfare Function Approach, Matthew D. Adler, James K. Hammitt, Nicholas Treich

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We examine how different welfarist frameworks evaluate the social value of mortality risk-reduction. These frameworks include classical, distributively unweighted cost-benefit analysis—i.e., the “value per statistical life” (VSL) approach—and three benchmark social welfare functions (SWF): a utilitarian SWF, an ex ante prioritarian SWF, and an ex post prioritarian SWF. We examine the conditions on individual utility and on the SWF under which these frameworks display the following five properties: i) wealth sensitivity, ii) sensitivity to baseline risk, iii) equal value of risk reduction, iv) preference for risk equity, and v) catastrophe aversion. We show that the particular manner in which VSL …


The Distortionary Effect Of Evidence On Primary Behavior, Gideon Parchomovsky, Alex Stein Jan 2010

The Distortionary Effect Of Evidence On Primary Behavior, Gideon Parchomovsky, Alex Stein

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In this Essay, we analyze how evidentiary concerns dominate actors’ behavior. Our findings offer an important refinement to the conventional wisdom in law and economics literature, which assumes that legal rules can always be fashioned to achieve socially optimal outcomes. We show that evidentiary motivations will often lead actors to engage in socially suboptimal behavior when doing so is likely to increase their likelihood of prevailing in court. Because adjudicators must base decisions on observable and verifiable information—or, in short, evidence—rational actors will always strive to generate evidence that can later be presented in court and increase their chances of …