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Ecological regression analysis has successfully estimated minority and White voting behavior in jurisdictions throughout the United States. Critics have imposed assumptions on the technique that are far too restrictive and have misinterpreted relevant data from Los Angeles County. Ecological regression is more reliable than the "neighborhood model, " devised by defendants' experts for the Los Angeles litigation. Unlike ecological regression, the neighborhood model generates results that are an arbitrary function of how individuals are grouped into precincts: the classic form of the "ecological fallacy. " Ecological regression, not the neighborhood model, accounts for the actual results of elections in Los Angeles County.

Discusses ten principles applicable to pricing. Includes
revenue‐generating, market share and cost strategies. Notes that astute
pricing requires design of a second price discount schedule and pricing
plans should not be overly complex or out of sync with efficient
shipping units. Concludes that it is these principles marketers need to
be cognizant of and for which they need to develop skills.

Books reviewed in this article:Jeffrey M. Berry, Feeding Hungry People: Rulemaking in the Food Stamp ProgramPeter Navarro, The Policy Game: How Special Interests and Ideologues are Stealing AmericaRichard K. Scotch, From Good Will to Civil Rights: Transforming Federal Disability PolicyPaul Y. Watanabe, Ethnic Groups, Congress, and American Foreign Policy: The Politics of the Turkish Arms Embargo