Nation a's real gdp was $520 billion in 2013 and $550 billion in 2014. its population was 150 million in 2013 and 155 million in 2014. on the other hand, nation b's real gdp was $200 billion in 2013 and $210 billion in 2014; and its population was 53 million in 2013 and 55 million in 2014. which of the following statements is true?

Which curve shows increasing opportunity cost as you give up more of one option? demand curve bow-shaped curve yield curve indifference curve

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions

The wall street journal reported that over a recent five-month period, a downturn in the economy has caused endowments to decline 23%. what is the estimate of the dollar amount of the decline in the total endowments held by these 10 universities (to the nearest billion)?