Two variables are said to be ________ if they move together

Refer to Figure 4-1. If the market price is $1.50, what is the consumer surplus on the first burrito?

A) $0.50 B) $1.00 C) $1.50 D) $7.50

The pauper labor theory, and the exploitation argument

A) are theoretical weaknesses that limit the applicability of the Ricardian concept of comparative advantage. B) are theoretically irrelevant to the Ricardian model, and do not limit its logical relevance. C) are not relevant because the Ricardian model is based on the labor theory of value. D) are not relevant because the Ricardian model allows for different technologies in different countries. E) invalidate the Ricardian model.