oil.def oil Obs: 88, annual, (1883 - 1970) oil : price of oil (in 1967 constant dollars) Source: Pindyck and Rubinfeld (1991), Econometric Models and Forecasts, 3rd edition, New York: McGraw-Hill, p.463 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- oil | 88 3.480909 .7347462 1.85 5.4