Which of the following statements about an economic variable is​ correct? A. An economic variable must either be the price of a good or service or the quantity of a good or service. B. An economic variable is something measurable that can have different values. C. An economic variable is always measured in dollars. D. An economic variable must always be a positive number.

Determine if the following statements are true or false. an increase in government spending can crowd out private investment. an improvement in the budget balance increases the demand for financial capital. an increase in private consumption may crowd out private investment. lower interest rates can lead to private investment being crowded out. a trade balance in sur+ increases the supply of financial capital. if private savings is equal to private investment, then there is neither a budget sur+ nor a budget deficit.