According to economic theory, a politician will accept an invitation for another photo opportunity as long as
A) she is paid well.
B) he can be sure he will look handsome in the picture.
C) the marginal benefit exceeds the marginal cost.
D) there are no costs involved.
Question 2
A health club requires six-months advanced payment. A commuter railroad offers discounted monthly tickets. What do they clearly have in common?
A) They are earning profits.
B) They are selling short.
C) They are exploiting customers.
D) They are facing financial problems.
Explaining “Moving Continents”— The Theory of Plate Tectonics
From this 1946 photo, you can see how computers have changed. This is the ENIAC, the world’s first ...
economic question
economic question
economic question