ChickEgg Chickens, Eggs, and Causality Mandible Mandible Data USDistLag US Macroeconomic Data bgtest Breusch-Godfrey Test bondyield Bond Yield bptest Breusch-Pagan Test coeftest Inference for Estimated Coefficients coxtest Cox Test for Comparing Non-Nested Models currencysubstitution Currency Substitution dwtest Durbin-Watson Test encomptest Encompassing Test for Comparing Non-Nested Models ftemp Femal Temperature Data gqtest Goldfeld-Quandt Test grangertest Test for Granger Causality growthofmoney Growth of Money Supply harvtest Harvey-Collier Test hmctest Harrison-McCabe test jocci U.S. Macroeconomic Time Series jtest J Test for Comparing Non-Nested Models lrtest Likelihood Ratio Test of Nested Models moneydemand Money Demand petest PE Test for Linear vs. Log-Linear Specifications raintest Rainbow Test resettest RESET Test unemployment Unemployment Data valueofstocks Value of Stocks wages Wages waldtest Wald Test of Nested Models