Answer:
B. economic efficiency and economic equity.
Explanation:
These two systems economic efficiency and economic equity are particularly been seen or used as a criteria that required in system of allocation. Efficiency here are known to be trade off which are particularly affected by a lot different policies. An example is seen between equity and efficiency can be explained with government environmental policy. Whoever benefits most in natural resources exploitation and at the cost, is a policy question that needs to be answered. The effect from these exploitation fall on the masses directly when carefully observed.