Use a graph to show that, when the government increases the tax on a good, the sum of the change in.

Use a graph to show that, when the government increases the tax on a good, the sum of the change in consumer surplus plus the change in producer surplus plus the change in government revenue equals the change in the deadweight loss. Verify that this relationship holds by comparing the answers to worked-out problem 15.1 and in-text exercise 15.1 (pages 549 and 550).