Some goods have one characteristic of the public good but not both (as shown in figure 1-1) and are not public goods. These are toll goods and common-pool resources. Toll goods have a nonexhaustion characteristic: one person can consume the service to its fullest while leaving the same amount of the service for someone else to consume. For these goods, however, exclusion is feasible; boundaries can separate payers and nonpayers. Examples include drive-in movies and toll roads: up to a congestion point, a larger number of people can consume these services without exhausting the service concurrently available to others. Neither are public goods because those not paying can be prevented from receiving the service—by fences or toll barriers.