Porters diamond model
Porter's
diamond is a model used as part fo the strategic analysis stage of the strategic planning process.
Porter
tried to answer the following questions:
- Why does a nation become the
home base for successful international competitors in an industry? Germany
is renowned for car manufacture; Japan is prominent in consumer
electronics.
- Why are firms based in a
particular nation able to create and sustain competitive advantage against the
world's best competitors in a particular field?
- Why is one country often the
home of so many of an industry's world leaders?
Porter
called the answers to these questions the determinants of national competitive
advantage. He suggested that there are four main factors which determine
national competitive advantage and expressed them in the form of a diamond.
Porter's Diamond
Factor conditions
Favourable
factor conditions include the following:
(i)physical
resources such as land, minerals and weather
(ii) capital
(iii)human
resources such as skills, motivation, price and industrial relations
(iv)knowledge
that can be used effectively
(v) infrastructure.
Porter also found that
countries with factor disadvantages were forced to innovate to overcome these
problems, e.g.Japanese firms experienced high energy costs and were forced to
develop energy efficient products and processes that were subsequently demanded
worldwide.
Demand Conditions
There
must be a strong home market demand for the product or service.
This
determines how industries perceive and respond to buyer needs and creates the
pressure to innovate. A compliant domestic market is a disadvantage because it
does not force the industry to become innovative and excellent.
Related and supporting industries
The
success of an industry can be due to its suppliers and related industries.
Sweden's
global superiority in its pulp and paper industries is supported by a network
of related industries including packaging, chemicals, wood-processing, conveyor
systems and truck manufacture. Many of these supporting industries have also
achieved leading global positions.
Firm strategy, structure and rivalry
Organisational
goals can be determined by ownership structure. Unquoted companies may have
slightly longer time horizons to operate in because their financial performance
is subject to much less scrutiny than quoted companies. They may also have
different 'return on capital' requirements.
Porter found that
domestic competition was vital as a spur to innovation and also enhanced global
competitive advantage. Conversely, where governments have encouraged mergers to
get the critical mass required to be a global player, these national monopolies
have not, on the whole, been successful in establishing a global position.
Criticisms
The
following criticisms are made of Porter’s Diamond model:
- Porter developed the model by
looking at ten developed countries. The model thus only really applies to
developed economies.
- Porter argues that inbound FDI
does not increase domestic competition significantly because domestic
firms lack the capability
to defend their own markets and face a process of market share erosion and decline. However, there seems to be little empirical
evidence to support that claim. - The Porter model does not
adequately address the role of MNCs.
- There seems to be ample
evidence that the diamond is influenced by factors outside the home
country.
- Porter’s analysis focused on
manufacturers, banks and management consultancy firms. Some have
questioned its
relevance to service based companies such as McDonalds. - Porter’s focus is on the
domestic country rather than which foreign markets have been targeted. A
careful choice of target is essential to ensure that the firm has the
competences required for success.
- Not all firms from a given
country are successful, suggesting that corporate management is more
important than geographical
location.
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