If you buy a call option on Treasury futures at 115, and at expiration the market price is 110, the ________ will ________ exercised

If economic profits in an industry are zero and implicit costs are greater than zero, then:

A. Resources will move out of the industry B. There will be no production in the short run C. Accounting profits are greater than zero D. New firms will enter the industry

Which group of American-born workers is most affected by immigrants entering the U.S. labor force?

a. High school students b. Blue collar workers c. Skilled trades workers d. White collar workers