Land is an example of an nonrenewable resource

Which statement most adequately describes the productivity of trade relative to the productivity of agriculture and manufacturing?

A) Trade is essential in an economy once agriculture and manufacturing have developed, even though it is not productive. B) Trade is less productive than agriculture or manufacturing. C) The word productive must be applied to agriculture or manufacturing in the same way it is applied to trade. D) Trade is productive only insofar as it distributes newly produced agricultural or manufactured goods. E) Trade is rarely productive because it almost never increases the quantity of goods in the economy.

Common resources differ from public goods in that

A) common resources are resources that cannot be renewed but the production of public goods can be increased any time. B) common resources are collectively owned by a group of people while public goods are government owned. C) unlike public goods, common resources are rival in consumption. D) common resources are non-excludable while public goods are excludable to those who do not pay for the good.