The above figure shows the market for pizza. Which figure shows the effect of a decrease in the price of a hamburger, which for consumers is a substitute for pizza?

How does the Fed intervene in the foreign exchange market and what the effects are of the Fed's actions?

What will be an ideal response?

According to the theory of creative destruction, the greatest threat to a monopolist producer of electric typewriters is likely to be

a. government regulation b. international competition c. the entry of new electric typewriter producers d. growth in the computer industry e. stockholders demanding increased efficiency