Taxes impose a cost on letting land remain idle

If skilled and unskilled labor are substitutes, then an increased minimum wage would tend to

A) reduce the demand for both unskilled and skilled workers. B) reduce the quantity demanded of unskilled workers and increase the demand for skilled workers. C) reduce the demand for unskilled workers and increase the quantity demanded of unskilled workers. D) reduce the quantity demanded for both unskilled and skilled workers.

Which of the following is not a reason why firms experience economies of scale?

A) Workers and managers can become more specialized, enabling them to be more productive. B) As output increases, the managers can begin to have difficulty coordinating the operations of their firms. C) Technology can make it possible to increase production with a smaller increase in at least one input. D) Larger firms may be able to purchase inputs at lower costs than smaller competitors.