Impure public goods Most goods that are thought of as public goods may not strictly satisfy the nonrival or nonexcludable assumption A scenic view is a public good without congestion, but the quality diminishes as more the number of sightseers increases Thus a scenic view becomes rival5 Impure public goods • Most goods that are thought of as public goods may not strictly satisfy the nonrival or nonexcludable assumption. – A scenic view is a public good without congestion, but the quality diminishes as more the number of sightseers increases. – Thus, a scenic view becomes rival