In this graph, what is the total cost?

The production approach to measuring GDP requires ________

A) that the market value of a given good is a reasonable approximation of its economic value B) that all goods and services be added up before assigning a market value C) that no good or service rendered outside the market be included in GDP D) all of the above E) none of the above

Imperfect competition

A. means there is no competition in the market. B. should always be regulated by the government C. is a major cause of externalities in the market. D. results in less efficient market outcomes.