Leaders like John F. Kennedy and Martin Luther King have made important contributions to the people of the United States. Name another world leader you think is important. Give specific reasons for your choice.
【单选题】Suppose Sue and Joe agreed to collude and jointly maximize their profi ts. If Sue and Joe were to be able to repeatedly play the game shown earlier and they agreed on a penalty for defecting from thei...
A.
Both are open for many hours.
B.
Both are open for a few hours.
C.
Sue is open for many hours while Joe is open for few hours.
D.
Sue is open for few hours while Joe is open for many hours.