From 1950-2014 the price level in the United States increased more than

What is the relationship between the gross domestic product of a country and the level of life satisfaction in the country?

What will be an ideal response?

If the tradeoff between the two goods is constant, the production possibilities curve is

A) a negatively-sloped straight line. B) a positively-sloped straight line. C) a negatively-sloped curve which is bowed inward. D) a negatively-sloped curve which is bowed outward.