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This paper uses event study methods to estimate wealth effects upon shareholders who are named by the U.S. Environmental Protection Agency (EPA) as potentially responsible parties at a Superfund site. Impacts appear to be divided into three periods: an initial program period where stock market effects depend largely on prior visibility of the site, a second period where likely financial impact is more important, and a third period where notification has little association with either visibility or financial measures. However, the expected remediation cost burden is not borne evenly. "Deep-pocket" firms appear to be disproportionately penalized by the market during the second period. Copyright 1996 Western Economic Association International.

Tax relief from a sales tax holiday depends on lower final prices for the eligible goods. In this article, prices are compared for ten goods across several retail locations before, during, and after the 2001 Florida sales tax holiday period. The comparison is also extended to the same items in a metropolitan statistical area just outside of Florida. The exploratory data indicate that before‐tax prices are slightly higher in Florida retail establishments during the sales tax holiday, but it is not clear whether these prices reflect less generous markdowns by Florida managers or pricing decisions for much larger regions. Whichever the case, the tax policy forces consumers to speculate on non‐holiday prices and choose items where the final price is, in fact, lower during the holiday.

Firm-specific wealth effects associated with US International Trade Commission Section 337 investigations of intellectual property right infringements are estimated. A major finding is that the 337 protection is valuable to complainant firms, but the timing of wealth effects suggests differing motivations for firms which pursue this remedy. Other findings are that firms involved in concurrent District Court litigation and firms with greater number of respondents are less likely to settle their case prior to an ITC determination. Recent statutory changes in Section 337 also appear to have increased complainant firms' incentives to settle.Intellectual property; Patent; International trade; Administered protection; Event study; International Trade Commission; Section 337, JEL Clasification F14, G14,

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