Question 1
Public goods are
◦ rival in consumption, and their benefits are excludable.
◦ nonrival in consumption, and their benefits are excludable.
◦ nonrival in consumption, and their benefits are nonexcludable.
◦ rival in consumption, and their benefits are nonexcludable.
Question 2
Public goods represent a market failure because
◦ they are provided by firms with market power.
◦ positive externalities are created through their production.
◦ by their very nature they are nonexcludable and nonrival, which makes it difficult for the private sector to supply them profitably.
◦ there is incomplete information regarding their quality.