numbers of relevant control variables. However, there is nothing in the mathematics of regression analysis that supports this … linear models, that the inclusion of additional control variables may increase or decrease the bias, and we cannot know for …

Quantitative political science is awash in control variables. The justification for these bloated specifications is … be ameliorated by the inclusion of relevant control variables. Unfortunately, as this article demonstrates, there is … nothing in the mathematics of regression analysis that supports this conclusion. The inclusion of additional control variables …

Most multivariate models aimed at evaluating the impact of democracy on interstate conflict contain a set of control … variables sufficiently large to have a confusing impact. Partly for that reason, the potentially confounding impacts of such …

variable and its proper treatment in statistical models, not as an edict banning the use of control variables. … hegemony is a competing explanation of third party settlement, and whether our extant model is robust when several control … variables are specified. Two important conclusions are reached: (1) the democratic community's strength and institutional …

similar properties to control variables). This reduces the dimensionality of the sample space to a tractable size. Two …

This is a survey paper on the application of control variables to increase the efficiency of discrete event simulations … basic theory of control variables is reviewed and the equivalence of control variables and multiple estimators is discussed …. Techniques for generating control variables are described. Inefficiencies resulting from the statistical estimation of control …