There are also wider criticisms of portfolio models in general:
❍ They are based on an analysis of current areas of business and are
therefore an inappropriate tool to employ in tackling the issue of
new business development.
❍ They placed too much emphasis on growth, either through enter-
ing high growth markets, or through gaining high market share.
Whereas there are virtues to entering stable markets that have
lower growth rates.
❍ These models can require information that can be difficult to obtain
and are complex and time consuming to successfully execute.
In response to these criticisms, it should be pointed out that much of
the information required for portfolio analysis, organisations should
be collecting anyway to support strategic decisions.
The reality is also that all models have weaknesses; their very role is
to try and simplify relationships to foster understanding. Managers
should be using a range of portfolio models along with other analyti-
cal tools in order to establish a rounded and comprehensive view of
their organisation’s performance.
● SWOT analysis
The SWOT (strengths, weaknesses, opportunities and threats) analysis
is another tool that is commonly used during the auditing process. The
SWOTdraws together the key strengths, weaknesses, opportunities
and threats from the audit. This tool should be used to distil the criti-
cal factors that have been identified during the auditing process. It is a
106 Strategic Marketing: Planning and Control
Prospects for sector profitability
Unattractive Average Attractive
Weak Disinvest Phased
withdrawal
Double or
quit
Average Phased
withdrawal
Custodial
growth Try harder
Enterprise’s competitive capabilitiesStrong Cash
generation
Growth
leader Leader
Figure 5.11
The Shell directional
policy matrix (DPM)
(Source: Shell, 1975)