If 11 workers can produce 53 units of output while 12 workers can produce 56 units of output, what is the marginal product of the 12th worker?

A characteristic of the unemployment rate is that ________

A) it typically goes up in a recession B) it typically goes down in a boom C) it is not clear whether it is a leading or a lagging indicator D) all of the above E) none of the above

If Slick Shades has a constant marginal cost of production equal to $40 and the distributors have a constant marginal cost of distribution equal to $20, what is the profit-maximizing number of sunglasses (in hundreds) for Slick Shades to produce?

The figure above shows the wholesale demand and marginal revenue curves for Slick Shades Sunglasses, a sunglasses firm with market power. Slick Shades Sunglasses has a constant marginal cost of production and it sells to perfectly competitive independent retail distributors that have a constant marginal cost of distribution.

A) 90
B) 80
C) 50
D) 70