The aggregate demand curve shifts when any of the following factors change EXCEPT

A local store noticed that when it increased the price of milk from $2.50 to $3.50 per gallon, it sold the same amount of milk per week (165 gallons). Since everything else remained the same, we would say the

a. demand for milk is perfectly elastic b. demand for milk is elastic c. demand for milk is perfectly inelastic d. demand for milk is unitary elastic e. law of supply does not apply in this situation

A. by inclusive unions as an argument in bargaining for wage rate increases. B. to justify the application of minimum wages to low-wage labor markets. C. to explain the divergence between wage rates and marginal resource cost. D. to explain wage

rate differences based on differing nonmonetary aspects of jobs. A. union workers are better educated and more productive than nonunion workers. B. expenditures on education can be explained in essentially the same way as expenditures on machinery and equipment. C. worker productivity correlates negatively with annual earnings. D. the level of education is unrelated to the level of one's income.