Suppose at the going wage rate of $20 per hour, firms can hire as many hours of janitorial services as they desire. If any firm tries to lower the wage rate to $19, it will not be able to hire any janitor. What does this indicate about the supply curve for janitorial services?
a. Supply is perfectly inelastic.
b. Supply is unit-elastic.
c. Supply is relatively inelastic.
d. Supply is perfectly elastic.

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.

Given the production function q=96(k^0.3)(l^0.7), find the mpk and mpl functions. is mpk a function of k alone, or of both k and l? what about mpl?

Phoenix guitars is interested in pursuing backward integration to take greater ownership of the extraction of raw materials and production of components used in its signature line of guitars. although this approach would lower the overall cost of producing a guitar, the costs associated with producing electronic pickupsfor sound amplification are far greater than those associated with sourcing pickups from a reliable supplier. which of the following approaches is likely to produce superior results? a) invest in vertical integration despite the cost of producing pickups.b) abandon the idea of vertical integration entirely.c) pursue taper integration.d) introduce a budget line of guitars to diversify the firm's offerings.