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Consideration is given to the costs in terms of regional income likely to be lost if irrigated acreages were to be reduced in the Upper Main Stem subbasin of the Colorado River as a means of freeing water for alternative uses and reducing salt loadings. The cost estimates, known to be biased upward, appear competitive with other water augmentation and salinity reduction programs.

This study tests for the existence of labour market segmentation by exploiting the variation in industrial structure across 59 labour market areas, as defined by MSAs. By creating an index of the relative explanatory power of standard and segmented earnings function models for each area, empirical evidence supports the hypothesis that segmentation exists and that the index reflects the degree of segmentation in local labour market areas.

This article examines the rhetoric of the debate about Social Security. It suggests that political opportunism by Presidents Johnson and Clinton undermined the rhetorical position of supporters of Social Security. It details the approach taken by neoconservatives in their efforts to dismantle the system and suggests rhetorical responses that have been effective in countering those efforts. It also traces the ebb and flow of confidence in the system, as measured by public opinion polls. JEL classification: A1; H55

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