To what extent does Porters model of National Competitive Advantage adequately account for variations in national business systems and comparative economic performance? Are other approaches or ideas required?

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To what extent does Porter’s model of National Competitive Advantage adequately account for variations in national business systems and comparative economic performance? Are other approaches or ideas required?

Introduction

This essay aims to study Porter’s Diamond Model (DM) of National Competitive Advantage (CA), focusing primarily on the criticisms that lay within the model. Other approaches and models to National CA are looked at and touched upon in this essay.

The Diamond Model

Porter’s DM for National CA has aided us in our understanding of why some nations are more competitive than others (Davies&Ellis;2000). The core principle the DM communicates is that a nation’s CA is dependent on its ability to create strong innovative industry clusters within national borders (Porter;1990). In addition to this, having a home environment that is the most “forward-looking, dynamic and challenging” helps the nation in maintain CA (ibid). However, even Porter realises that CA is not an easy concept to define, suggesting that national CA is down to productivity (ibid), which continuously needs to upgrade in order for a nation to sustain its CA. Therefore, in order to understand why a nation is competitive, one must understand how and why its productivity grows. Here lies Porter’s DM (Figure 1), consisting of four attributes of a nation which creates an environment for domestic firms to compete in to sustain CA (Table 1) (Oz;2000).

All the six elements interact with each other to create a dynamic environment for firms to compete, with Porter believing that those industries that are advanced in all the determinants are likely to be more competitive than the industries who are only partially advanced in the determinants.

The Criticisms

Such an influential model is subject to criticisms that make apparent the key problems. The following section breaks down the model and looks at similar issues, illustrating with use of nations, industries and firms as examples.

Historical Aspects

Although Porter states that if a nation has advantages in each determinant it will perform well economically; what is unclear is how a nation grows to be in that position. The DM lacks in its ability to analyse the historical events behind how a nation achieved what it has; and furthermore, it ignores the concept of how the situation can change and adapt. Porter states that the Japanese are also good at clustering, for example, within its transportation equipment and related machinery industry; yet did not mention historically how they managed to do this. Furthermore, he lacks in his explanation of the transformation from a developing country to a developed country as his focus within the DM is primarily on developed countries within the Triad. In addition, he’s stated that some industries within Japan are of the most successful in the world, however a large proportion of Japan’s economy is below worldwide standards (p394, 1990), yet the reason behind this is not mentioned.

On the other hand, Chandler’s theory of Managerial Enterprise manages to explain factors of how firms are able to play a part in economic development. The reason for this is Chandler’s approach to analysing industrialization, whereby his work is based on a historical perspective. He explains the reasons behind the dominance of large firms in markets, stating the oligopolies strategy of innovation that pushed industrialization in some countries. For example, the success of General Motors in the mid-20th Century could be explained by their diversified mass production system, whereby they manufactured different models of cars, yet still maintained economies of scale.

The DM also encompasses the ‘stages of development’ nations go through in order to compete globally, with support from Rostow’s theory that every nation goes through the same stage to mature. However Late Development Theory (LDT) suggests that not all countries go through the same process (of factor-driven, investment-driven, innovation-driven and wealth-driven). With help from Gershenkron’s (1965) classification of states according to development, it is clear that all countries, in particular Asian countries, do not follow the same stages as Porter states with the DM. His general assumption of backwardness was that the more the backwards the country, the more rapid it is in its industrial development. Furthermore, differences within the role played by the Government, the obtainment of finance and the existence of networks and business groups (as these are the main national institutions that can influence management) contribute as the main reasons why countries cannot solely develop in the same way. Grant (1991) noted that many countries that lie within Porter’s first development stage (factor-driven) were ‘among the world’s most prosperous’, stating that within the US in 1985, 60% of the top 25 industries were based on natural resource advantage, thus the stages does not represent a ‘steady’ development.

Furthermore, ‘early developers’ such as the US and UK saw the Government follow a ‘laissez-faire’ approach, as they set regulations and did not intervene. Yet, Germany, Japan and especially China were more dependent on state intervention to spur economic activity (Gershenkron; 1965). For example Japan’s Ministry of International Trade and Industry (MITI) support for Zaibatsus’ during the early 20th Century aided the steel industry, as well as establishing Japan’s automobile industry (Francks, 1992). Furthermore, China’s large proportion of state-owned banks aid in financing its stated-owned enterprises.

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The Government’s Role

Porter believes the Governments role is providing the conditions to be competitive rather than having a direct role, stating it ‘is inevitably partial’ and is simply to enforce the ‘underlying determinants of national advantage’ (Porter;1990). Furthermore, he suggests ‘industries that ignore… government assistance succeed’ (Clark;1991), and that the Government policy failed in its attempt to revitalize industries because it doesn’t address the factors within the DM (O’Shaughnessy;1996). This approach taken by Porter is westernised, in a sense that Government section reflects the Anglo-Saxon view of the Government’s role. Liberal market capitalism views the state’s economic ...

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