The field of international trade theory has evolved significantly, moving from a national perspective to a firm-centered approach. This shift reflects changes in the global trading environment and recognizes that while national factors remain important, understanding the motivations and operations of individual firms is now critical. Scholars are increasingly looking at a wider array of variables that impact firms' decisions to engage in international trade, shaped by the complexities and rapid developments of modern business activities.
One prominent theory outlining these changes is the Theory of National Competitive Advantage, introduced by Michael Porter. At its core, competitive advantage is defined not at a national level but at the firm level, focusing on the resources and competencies that allow a firm to outperform its competitors. For instance, Apple's distinctive iOS operating system and notable design quality exemplify how unique resources can enable a firm to gain superior market outcomes compared to rivals in the smartphone sector.
Porter's framework also discusses Firm-Specific Assets (FSA) — these are unique resources or capabilities firms possess that can be leveraged in international markets to generate income. In conjunction with FSAs, the concept of Country-Specific Assets (CSA) comes into play, which refers to the inherent advantages or resources of a nation that are available to all firms operating within it. This duality illustrates the interplay between a firm's unique advantages and the opportunities afforded by its national environment. At the country level, national competitive advantage takes into account the collective advantages of the firms, often represented visually in Porter's diamond model.
Porter's model outlines four core determinants of national competitive advantage, which are essential for understanding how countries can achieve and sustain a competitive edge in international markets:
Factor Conditions: These include the nation's resource endowments, such as natural resources, labor force quality, and capital availability. For example, cities with a high concentration of research professionals—like Oxford and Cambridge—tend to host research-intensive industries, contributing to higher innovation levels.
Demand Conditions: The levels of domestic demand for products and services significantly influence a firm's ability to meet international demand. Higher local demand can drive firms to improve quality and innovation, thereby increasing their competitiveness abroad.
Firm Strategy, Structure, and Rivalry: The competition within an industry can sharpen a firm's strategy and drive innovation. The rivalry between companies like Pepsi and Coca-Cola exemplifies how internal competition can enhance both firms' success on the international stage.
Related and Supporting Industries: The presence of clusters of interconnected industries can facilitate competitiveness, particularly for complex products. Industries like aerospace and automotive rely on collaborative ecosystems of suppliers and related businesses to optimize their production processes.
Additionally, Porter acknowledges two external factors influencing national competitive advantage: chance events (e.g., pandemics or technological breakthroughs) and government actions (e.g., regulations, subsidies). Such factors can profoundly affect a company’s ability to maintain its competitive position, highlighting the need for firms to adapt to shifting external conditions.
While Porter’s diamond model has been influential, it is not without limitations. Critics highlight areas where the theory could be enhanced, such as the need for a more dynamic view of competition that considers the rapid changes in global markets. Engaging with the recommended readings will further develop an understanding of these critiques and possible avenues for improvement in analyzing national competitive advantage.