If the Fed sells securities to commercial banks, there is no money multiplier effect

All else equal, if oil prices decrease, annual oil consumption will ________ and the years it will take to deplete the stock of oil will most likely ________

A) decrease; increase. B) decrease; decrease C) increase; increase D) increase; decrease

Which of the following will not lead to an increase in the demand for labor for a firm producing automobiles?

A) a decrease in labor productivity B) an increase in the price of robots that are used to solder parts of the car together C) an increase in the demand for automobiles D) an increase in the price of automobiles