Under recent conditions of economic competition, customer/worker interactions increasingly are a source of profitability in service firms. Companies may employ refined methods for making these interactions a source of information about workers' performance. This paper investigates how managers...

This article examines the effects of refusers and reluctant respondents to a general population survey on estimates of population distributions and multivariate relationships. Our data indicate that refusers do not constitute a simple random sample of respondents, and that efforts to correct for...

Correlations of inflation with the growth rate of money increase when data are averaged over longer time periods. Correlations of inflation with the growth of money also are higher when high inflation as well as low-inflation countries are included in the analysis. We show that serial...