Levin. There used to be a rule of thumb in the gasoline industry that each 10 cent increase in the price of gas adds sio billion to industry revenues. We can write this rule of thumb as dTR 0.10 = 10 dp (a) Recall […]
Levin. There used to be a rule of thumb in the gasoline industry that each 10 cent increase in the price of gas adds sio billion to industry revenues. We can write this rule of thumb as dTR 0.10 = 10 dp (a) Recall […]