Paper P5: Advanced performance management
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theory, if a company uses an appropriate cost of capital as the discount rate, projects
that are expected to have a positive net present value (NPV) should add to the value
of the company and its shares. Similarly, projects will add to the company’s value if
they are expected to have an internal rate of return (IRR) in excess of the company’s
cost of capital.
NPV and IRR are therefore used to assess the value of capital expenditure
proposals.
However, although discounted cash flow techniques can be applied to evaluate
forecasts of future cash flows from capital projects, they are not practical methods
for analysing historical performance. This is because management accounting
systems are not designed to identify specific cash flows arising from capital projects,
and some relevant cash flows in DCF analysis, such as opportunity costs, would
also be difficult to measure.
Financial measures of historical performance
Financial measures used to measure historical performance, and assess whether a
company appears to be achieving its corporate objectives, may be:
return on capital employed (ROCE)
earnings per share and growth in earnings per share
earnings before interest, tax, depreciation and amortisation (EBITDA)
for investment centres, return on investment or residual income
None of these performance measures is ideal for assessing performance and
progress towards achieving the corporate objective.
Return on capital employed (ROCE) is a useful measure of performance,
because it relates the amount of profit earned to the amount of capital employed
in the business. However, the measurement of ROCE depends on accounting
conventions for the measurement of profit and capital employed.
Earnings per share growth is also commonly used to assess performance. On the
assumption that in the long term, the ratio of the share price to EPS (the
price/earnings ratio or P/E ratio) remains fairly constant, growth in EPS should
result in a higher share price. However, the P/E ratio does not necessarily
remain constant over the long term, and could change if the perception of
investment risk in the company changed.
EBITDA (= Earnings before interest tax depreciation and amortisation). EBITDA
is a useful measure of performance only if it is assumed that management have
no control over interest costs or depreciation and amortisation charges. This may
be true for profit centre management, but is unlikely to be the case when
managers have control over investment and financing decisions. EBITDA is a
useful approximation of cash flow from operations before interest and tax, and
can be a useful measurement of financial performance for this reason. (Note: If
you are not sure about this, think about the calculation of operational cash flows
in a statement of cash flows, using the indirect method.)
The benefits and limitations of ROI and residual income are considered in the
next chapter.