The global financial crisis of 2007-2008 resulted in a(n) ________ of the Swiss franc. In 2011, the Swiss central bank intervened in order to cause a(n) ________ of the franc

Common resources are overused because:

a) the marginal private benefit will always exceed the marginal social cost b) the marginal social benefit is not taken into consideration by producers c) social costs are controlled by quotas d) the social costs outweigh the private costs

In the U.S., some of the most powerful unions:

A. have organized workers across several markets. B. have nearly 100 percent participation of workers. C. existed in the 1940s. D. All of these statements are true.