If an industry has 16 firms of equal size, and each produces and sells the same quantity of output at the same price, what is the four-firm concentration ratio of this industry?

The supply curve of a single-price monopolist

a. coincides with its marginal cost curve above its average total cost curve b. coincides with its marginal cost curve above its average variable cost curve c. is established by the government d. slopes downward due to substantial economies of scale e. does not exist

By itself, if a U.S. firm builds a new factory overseas, U.S. net capital outflow rises

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