![]() List of variables:Year = calendar yearQ = natural log of per capita consumption of spiritsi Inc = natural log of real per capita income P = natural log of the relative price of spirits = ln(Price of spirits / price index) Source: J. Durbin and G.S. Watson, "Testing for Serial Correlation in Least Squares Regression, II," Biometrika, vol. 38. pp. 159-78. |