† 7. Physicians commonly work unusually long hours, and are often praised for their dedi- cation to healing the sick and alleviating human suffering. Show why, even if physicians are not exceptionally tenderhearted, they would still be likely to work long hours. 8. Explain the traditional “functional” classification of inputs of production. † 9. How can land and labor power be thought of as capital? † 10. What is the relationship between the hire-price of an input and the purchase price of that input?