A firm that has increasing returns to scale in the long run does not experience diminishing marginal returns in the short run.

If a nation's current account is -$200 billion and its financial account (excluding its official settlements balance) is $175 billion, how much is its official settlements balance?

A) -$25 billion B) +$25 billion C) -$375 billion D) +$ 375 billion

The goal of profit-maximizing extraction firms such as an oil company or a mining company is to extract resources:

A. As fast as possible B. As slowly as possible C. When the user costs are rising D. For the greatest stream of profit over time