Monthly Archives: August 2014

Stochastic regressors and exogeneity for statisticians

Since my Ph.D. training was split between the Statistics Department and the Heinz School of Public Policy, I can attest that statisticians and economists sometimes talk past each other. This blog post explains the econometric terms exogenous and endogenous in a framework that is perhaps more natural for a statistician. The post ends with a realization that I should pay more attention to exogeneity when including covariates to increase the power for an experiment.
Continue reading