The cross elasticity of demand between Coca-Cola and Pepsi-Cola is ________ so that Coke and Pepsi are ________

With more job training and more scholarships to poor American students, which special factor of production is likely to grow faster than in the past?

What will be an ideal response?

Under a system of financial penalties for polluters:

a. Firms could pollute all they wanted to. b. Firms would have to pay a tax for each unit of pollution created. c. Firms would be encouraged to pollute less. d. All of the above are correct.