The graph shows the marginal private benefit from a dentistry degree and the marginal cost of obtaining a dentistry degree.
The marginal external benefit is $4,000 per dentistry graduate per year.
Suppose the government decides to provide public dental schools.
Draw the marginal social benefit curve. Label it MSB.
Draw a line that shows the tuition that dental schools charge to achieve the efficient number of students. Label it Tuition.

Suppose that the u.s. dollars-mexican pesos exchange rate is fixed by the u.s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs.which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u.s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u.s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u.s. dollars.