Discussions. 100-300 words each. Must be original.

1)  Why is studying for an exam subject to the law of diminishing marginal
productivity?  100-200 words

2)  A decrease in demand and a decrease in supply will decrease both price
and quantity. (Explain) 100-200 words

3)  Human capital (health, skill and useful knowledge) has little to do with
a person's income. (Explain) 100-200 words

4) What is the difference between complementary and substitutes products?
Why is this an important distinction? 200-300 words

5) Explain the difference between a long-run decision and a short run
decision.  Use an example. 100-200 words

6) Explain some of the problems of using cost analysis in the real word.
100-200 words

7)  Why do firms maximize total profit rather than profit per unit? Use an
example. 100-200