According to the profitability index (PI) rule, an investment should be accepted if the index exceeds which value?

The correct option is this 1.
In Finance MCQs, the Profitability Index (PI) is a fundamental capital budgeting tool used to evaluate the attractiveness of investment projects. It measures the relationship between the present value of a project’s expected future cash... Read More

1 FINANCE MCQS

According to the profitability index (PI) rule, an investment should be accepted if the index exceeds which value?

  • -1
  • 0
  • 1
  • 2
Correct Answer: C. 1

Detailed Explanation

The correct option is this 1.


In Finance MCQs, the Profitability Index (PI) is a fundamental capital budgeting tool used to evaluate the attractiveness of investment projects. It measures the relationship between the present value of a project’s expected future cash inflows and the initial investment required to undertake the project. Essentially, the PI quantifies how much value a project generates per unit of investment. The formula is:


PI=Initial InvestmentPresent Value of Future Cash Flows


A Profitability Index greater than 1 indicates that the present value of expected cash inflows exceeds the initial investment. This means that the project is expected to create value for the firm and, according to the PI decision rule, should be accepted. Conversely, a PI less than 1 implies that the present value of inflows is less than the initial cost, signaling a loss in value, and the project should be rejected. A PI equal to 1 suggests that inflows exactly match the investment, making the firm indifferent to undertaking the project.


The Profitability Index is particularly valuable under capital rationing. When a company has limited funds and cannot pursue all positive NPV projects, ranking projects by PI helps prioritize investments that provide the greatest value per unit of cost. Projects with the highest PI are considered more efficient in generating shareholder wealth relative to their investment. This prioritization makes the PI a widely tested concept in finance MCQs, especially in questions related to project evaluation, corporate finance, and strategic investment planning.


Understanding why other options are incorrect is also critical:




  • Option A, -1: Incorrect because the PI, being a ratio of present value to investment, cannot be negative under standard calculations. Negative PI would suggest negative cash inflows exceeding the initial investment, which is conceptually inconsistent.




  • Option B, 0: A PI of zero would imply that the project generates no present value inflows, which is an irrelevant threshold for decision-making in practical scenarios.




  • Option D, 2: While a PI greater than 2 indicates a highly profitable project, the PI decision rule does not require the PI to exceed 2. Any PI greater than 1 is acceptable, making 2 only a benchmark for exceptionally profitable projects.




The Profitability Index is closely linked to other capital budgeting techniques. For example, a PI greater than 1 corresponds to a positive Net Present Value (NPV), while a PI equal to 1 corresponds to an NPV of zero. This relationship highlights that PI essentially mirrors the wealth-maximizing principle of NPV but provides a relative measure, which is useful when comparing projects of different sizes. Similarly, PI complements the Internal Rate of Return (IRR) method, as both tools help managers assess whether expected returns exceed required returns or cost of capital.


Moreover, the PI concept reinforces the value-based approach to investment. By focusing on present value rather than nominal cash inflows, the PI accounts for the time value of money, ensuring that projects undertaken will enhance shareholder wealth. This makes it not only a technical calculation but also a strategic decision-making tool for finance professionals.


In conclusion, the Profitability Index (PI) is a ratio that evaluates investments by comparing the present value of expected cash inflows to the initial investment. A project should be accepted if the PI exceeds 1, as this indicates value creation. Mastery of PI strengthens your understanding of capital budgeting, the NPV decision rule, and value-based investment analysis. This knowledge is essential for performing well in finance MCQs, professional examinations, and real-world corporate finance decision-making.

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