Purpose - This paper summarizes the findings of a research project aimed at benchmarking the environmental sustainability practices of the top 500 Mexican companies. Design/methodology/approach – The paper surveyed the firms with regard to various aspects of their adoption of environmental...

Examines economic discrimination in labor markets using a stochastic model. Analysis of several types of economic discrimination within the context of competitive market assumptions; Empirical plausibility and implications of the alternative models of economic discrimination; Role of statistical...

This paper applies methods for analyzing data from samples that have been chosen by restricting the target population in discernible ways to date from a 1976 experiment in time-of-day pricing of electricity for residential customers in Arizona. We find that whereas conventional estimation...