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Econometrics Assignment Pdf Regression Analysis Linear Regression Econometrics refers to the application of economic theory and statistical techniques for the purpose of testing hypothesis and estimating and forecasting economic phenomenon. literally. interpreted, econometrics means “economic measurement.”. Problem #1 – the following questions ask you to derive the least squares estimates of regression coeffi cients. consider the following regression model: y. i=a bx. i e. where e. iis the error term. rearranging terms, squaring both sides and summing over observations yields the sum of squared errors: åe2 i=å(y. ia bx. i) 2.