6.31 everaet and pozzi develop a model to examine the predictability of consumption growth in 15 OECD countries. Their data is stored in the file oecd. The variables used are growth in real per capita private consumption (CSUMPTN), growth in real per capita government consumption (GOV) growth in per capita hours worked (hours), growth in per capita real disposable labor income(INC), and the real interest rate (R). Using only the data for japan