Businesses routinely rely on econometric models to analyze and predict consumer behavior. Estimation of such models may require combining a firm's internal data with external datasets to take into account sample selection, missing observations, omitted variables and errors in measurement within...

Eastern European countries, particularly former Soviet Union economies, traditionally have the highest rates of alcohol consumption in the world. Consequently, they also have some of the highest male mortality rates in the world. Regulation can be effective in significantly decreasing excessive...