Vaccination against a disease helps in preventing the spread of the disease. Which of the following can help in increasing the number of people vaccinated to the socially optimal level?

The aggregate supply curve is downward sloping because buyers tend to purchase more of all goods and services as the price level decreases

a. True b. False Indicate whether the statement is true or false

There are currently 1,000 firms in a competitive industry. Minimum long-run average cost is $80 and price $100. Explain what will happen to price, profit, and the number of firms in this industry over time.

What will be an ideal response?