Esempi di crocette A

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Multiple choice questions on Module 2 1. Public goods are a. Non excludible and non-rival in consumption b. Always provided by the State c. Non excludible d. Non-rival in consumption 2. A non-smoking fare is a way for a. Internalizing a negative externality by establishing property rights on clean air b. Protecting a public good c. Reducing information asymmetries d. Avoiding moral hazard 3. In the model of Spence (1973) education is a. A signal b. A way through which a candidate employee convinces a potential employer that she has superior competences c. A way for reducing the risk of moral hazard d. A way for reducing externalities 4. In a planned economy, the decisions of what to produce, how to produce, and for whom to produce are taken by a. A central planner b. The local government c. The market d. The firms 5. In the Arrow’s model of the market for lemons, a separation equilibrium a. Never exists b. Always exists c. Exists only if there are enough lemons d. Exists only if there are enough peaches 6. Moral hazard is related to the problem of a. Hidden action b. Hidden information c. Information asymmetries d. Externalities 7. Incentives for employees serve the purpose of reducing the risk of a. Moral hazard b. Hidden information c. Information asymmetries d. Externalities 8. Facebook is subject to a. Direct network externalities b. Indirect network externalities 1 c. Direct and indirect network externalities d. Presence of public goods 9. According to the first theorem of the welfare economy a. Perfectly competitive markets reach an allocation of resources which is Pareto efficient b. Markets always reach an allocation of resources which is Pareto efficient c. A central planner reaches an allocation of resources which is Pareto efficient d. Pareto efficiency is…