The figure above shows the market for polio vaccination in Pakistan. Polio vaccination confers an external benefit because one person's vaccination makes it less likely that other people will catch polio

a. If the market is competitive and left unregulated, how many doses of vaccine will be administered?
b. If the Melinda and Bill Gates Foundation underwrites the cost of the vaccine by paying for a large fraction of the preparation and delivery cost, what will happen to the number of doses administered? Why?

a. If the market is competitive and left unregulated, 4 million doses will be administered.
b. If the Foundation underwrites the cost of the vaccine, the marginal cost of the vaccine will dro

Economics

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In 1920 a constitutional amendment was passed that outlawed the production, sale, purchase, and consumption of alcoholic beverages. "Prohibition" encouraged bootlegging and black markets for whiskey, wine, and beer

The amendment was eventually repealed in 1933. In 1920, what alternative economic policy was available to the government as a means of reducing alcohol consumption nationwide?

Economics

What two explanations are offered for why unions have declined?

What will be an ideal response?

Economics