The world's total output will be greater the more self-sufficient each of the world's economies becomes

From 1965 to 2013, the average real wage for all workers has ________

A) fallen B) risen C) remained essentially unchanged D) risen in economic contractions and fallen in economic expansions

In building a model to analyze economic situations, one of the important assumptions is

A) ceteris paribus. B) scarcity. C) conversion abstraction. D) cognitive dissonance.