Demand for pork (a normal good) will shift to the left if consumer income in China decreases.

Which of the following is true about labor productivity?

A) it is the amount of total factor productivity (TFP) per unit of labor B) it is more difficult to measure than TFP C) it is a more general and better measure of productivity than TFP D) all of the above E) none of the above

Price leadership is an example of explicit collusion by oligopolies

a. True b. False Indicate whether the statement is true or false