Ronald Coase's ideas on property rights have helped economists and policymakers better understand environmental problems. Identify the true statement regarding Coase and property rights. a. The assignment of property rights to someone is essential. b. Property rights refer exclusively to ownership of land. c. Property right allocation is unimportant because the affected parties will contract with one another to find an efficient solution to externality problems regardless of who is assigned the initial property right. d. Environmental harms will be greater when property rights are assigned to firms.