Suppose the price of potatoes falls and we observe a decrease in an individual's purchases of potatoes. Which of the following can we infer? Select one: a. The income effect is negative and reinforces the substitution effect. b. The income effect is positive and exceeds the substitution effect. C. The income effect just offsets the substitution effect. d. The income effect is negative and outweighs the substitution effect e. The substitution effect outweighs the income effect. If we seek to explain the number of seats sold on a flight from Moncton to Toronto over a one-year period, we would consider many variables. Which of the following variables would be endogenous to our theory? Select one: a. the average salary of Cariadian airline pilots b. the number of fog days in Moncton C. the unemployment rate in Toronto d the number of airline seats sold on this route Activate W e the price of jet fuel Go to Settings