A country's physical capital stock decreases after a war while its labor supply and total factor productivity remains constant. Which of the following is likely to happen to the marginal productivity of labor in this case if the economy's production is best represented by a Cobb-Douglas production function? 0 The marginal productivity of labor will decrease. O The marginal productivity of labor will increase. 0 The marginal productivity of labor will remain constant 0 Not enough information to