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Estimating the International GNP-Energy Relation: A Further Note INTRODUCTION Energy enhances the productivity of capital, labor, and other factors of production, and generally promotes higher living standards. International cross-sectional studies [...]

The article compares two new measures of income tax progressivity developed by authors N. C. Kakwani and Daniel Suits in the U.S. The measures of the degree of tax progression relates to the Gini ratio of income inequality which are distinct from conventional elasticity measures of progressivity. The measures developed were briefly described with the identification of its characteristics and the establishment of the analytical relation between them. Empirical calculations of the progressivity of the income tax system has revealed that the two measures display different magnitudes of change in progressivity.

This paper describes the use of multiple ranking procedures to analyze data generated from computer simulation experiments with models of management systems. After outlining the rationale for the use of multiple ranking procedures with computer simulation experiments and defining some basic terminology, we examine several specific multiple ranking procedures. Careful attention is given to the assumptions underlying the different multiple ranking procedures and the extent to which these assumptions are satisfied by the data generated by simulation experiments. An example model is included to illustrate the applicability of multiple ranking procedures to simulation experiments in management science. [ABSTRACT FROM AUTHOR]