David's decision on the electronics to purchase represents opportunity cost.
The decision to hire another economist is marginal analysis.
Ana's decision on how to use her time involves opportunity cost.
<h3>What is opportunity cost?</h3>
Opportunity cost of the next best option forgone when one alternative is chosen over other alternatives. When an economic agent chooses one option, he would not be able to choose another option.
<h3>What is marginal analysis?</h3>
Marginal analysis involves comparing the marginal cost or / and the marginal benefit of a decision.
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Answer:
The correct answer is option D.
Explanation:
A market failure refers to the situaion where the market forces fail to efficiently allocate resources. It happens because of a number of reasons such as externalities, monopoly, asymmetrical information, tragedy of commons etc.
In case of market failure, the government has to intervene to efficiently allocate resources. The failure of price mechanism to produce goods efficiemtly results in government to intervene.
Answer:
Yes, her decision was correct because of Net present value rule.
Explanation:
the net present value (NPV) applies to a series of cash flows occurring at different times.
The present value of a cash flow depends on the interval of time between now and the cash flow. It also depends on the discount rate. NPV accounts for the time value of money. It provides a method for evaluating and comparing capital projects or financial products with cash flows spread over time, as in loans, investments, payouts from insurance contracts plus many other applications.
Time value of money dictates that time affects the value of cash flows.
