As a manufacturer becomes a mass producer, generally productivity ____ and wage rates _____.

The 3 approaches to measuring GDP are called the

A. accounting approach, income approach, and expenditure approach B. product approach, cost approach, and expenditure approach C. product approach, income approach, and expenditure approach D. accounting approach, statistical approach, and income approach

A firm has fixed costs

A) in the short run and in the long run. B) in the short run but not in the long run. C) in the long run but not in the short run. D) neither in the long run nor in the short run.