If at optimum output of 1,000 units, the firm is incurring average variable cost per unit of $3, average fixed cost per unit of $1.50, and selling its output at $7 per unit, total profit is

A partnership is ________ type of business

A) the most profitable B) the most common C) the least risky D) the least common

The Solow residual helps explain growth that derives from

a. increasing the size of the labor force. b. increasing the size of the capital stock. c. increasing the capital-labor ratio. d. anything except increases in the size of the labor force or the capital stock.