If the marginal propensity to consume is 0.5 and disposable income decreases by $10,000 . by how much will consumption spending decrease?

In the market for labor:

A. there is never disequilibrium. B. firms create the supply. C. the price in the market is the interest rate. D. individuals are the sellers of the good.

If the MRP of an acre of land were $1,000 and its rent were $500,

A. more land is being used than should be used. B. exactly the right amount of land is being used. C. not enough land is being used. D. only half as much land is being used as should be used.