【单选题】Gang Crime Living in a large center often equates to living near or within the criminal epicenter, especially for inner-city dwellers where crime is most concentrated. That means that killing is...
A.
the crime occurrences in the center.
B.
the overcrowded dwelling of city people.
C.
the alarming rising crimes in the 1980s and 1990s.
【单选题】Consider a market with two firms, providing substitutable products. The inverse demand function faced by firm is . and the marginal cost of these two firms are , respectively. Suppose that firm 1 sets...