Consider the following statements
1. One way for the government to induce a monopolist to expand his output is by imposing a price ceiling that makes the monopolist lower his price.
2. MC = MR = AC = AR shows the equilibrium position of the competitive firm.
3. One way for the government to induce a monopolist is to make the monopolist raise his price.
4. One way for the government to induce a monopolist is to expand his output by imposing a specific tax on the monopolist output.