4. Mat ea concept in Column A with an example in Column B.

Column A a. A private good b. A free rider c. Price discrimination d. A public good e. An artificially scarce good f. Individual transferable quotas g. The discount rate Column B 1. A policy solution to the tragedy of the commons 2. National defense 3. The primary factor on which some economists disagree regarding climate policy 4. Your shoes 5. Someone who listens to public radio without contributing to it 6. Charging airline passengers different fares 7. The WiFi signal at a hotel that charges for Internet access