From Wikipedia, the free encyclopedia

In economics, internationalization or internationalisation is the process of increasing involvement of enterprises in international markets, although there is no agreed definition of internationalization.[1] Internationalization is a crucial strategy not only for companies that seek horizontal integration globally but also for countries that addresses the sustainability of its development in different manufacturing as well as service sectors especially in higher education which is a very important context that needs internationalization to bridge the gap between different cultures and countries.[2] There are several internationalization theories which try to explain why there are international activities.

Entrepreneurs and enterprises[edit]

Those entrepreneurs who are interested in the field of internationalization of business need to possess the ability to think globally and have an understanding of international cultures. By appreciating and understanding different beliefs, values, behaviors and business strategies of a variety of companies within other countries, entrepreneurs will be able to internationalize successfully. Entrepreneurs must also have an ongoing concern for innovation, maintaining a high level of quality, be committed to corporate social responsibility, and continue to strive to provide the best business strategies and either goods or services possible while adapting to different countries and cultures.

Trade theories[edit]

Absolute cost advantage (Adam Smith, 1776)[edit]

Adam Smith claimed that a country should specialise in, and export, commodities in which it had an absolute advantage.[3] An absolute advantage existed when the country could produce a commodity with less costs per unit produced than could its trading partner.[3] By the same reasoning, it should import commodities in which it had an absolute disadvantage.[3]

While there are possible gains from trade with absolute advantage, comparative advantage extends the range of possible mutually beneficial exchanges. In other words, it is not necessary to have an absolute advantage to gain from trade, only a comparative advantage.

Comparative cost advantage (David Ricardo, 1817)[edit]

David Ricardo argued that a country does not need to have an absolute advantage in the production of any commodity for international trade between it and another country to be mutually beneficial.[4] Absolute advantage meant greater efficiency in production, or the use of less labor factor in production.[4] Two countries could both benefit from trade if each had a relative advantage in production.[4] Relative advantage simply meant that the ratio of the labor embodied in the two commodities differed between two countries, such that each country would have at least one commodity where the relative amount of labor embodied would be less than that of the other country.[4]

Gravity model of trade (Walter Isard, 1954)[edit]

The gravity model of trade in international economics, similar to other gravity models in social science, predicts bilateral trade flows based on the economic sizes of (often using GDP measurements) and distance between two units. The basic theoretical model for trade between two countries takes the form of:


: Trade flow
: Country i and j
: Economic mass, for example GDP
: Distance
: Constant

The model has also been used in international relations to evaluate the impact of treaties and alliances on trade, and it has been used to test the effectiveness of trade agreements and organizations such as the North American Free Trade Agreement (NAFTA) and the World Trade Organization (WTO).

Heckscher-Ohlin model (Eli Heckscher, 1966 & Bertil Ohlin, 1952)[edit]

The Heckscher-Ohlin model (H-O model), also known as the factors proportions development, is a general equilibrium mathematical model of international trade, developed by Eli Heckscher and Bertil Ohlin at the Stockholm School of Economics. It builds on David Ricardo's theory of comparative advantage by predicting patterns of commerce and production based on the factor endowments of a trading region. The model essentially says that countries will export products that utilize their abundant and cheap factor(s) of production and import products that utilize the countries' scarce factor(s).[5]

The results of this work have been the formulation of certain named conclusions arising from the assumptions inherent in the model. These are known as:

Leontief paradox (Wassily Leontief, 1954)[edit]

Leontief's paradox in economics is that the country with the world's highest capital-per worker has a lower capital:labour ratio in exports than in imports.

This econometric find was the result of Professor Wassily W. Leontief's attempt to test the Heckscher-Ohlin theory empirically. In 1954, Leontief found that the U.S. (the most capital-abundant country in the world by any criteria) exported labor-intensive commodities and imported capital-intensive commodities, in contradiction with Heckscher-Ohlin theory.

Linder hypothesis (Staffan Burenstam Linder, 1961)[edit]

The Linder hypothesis (demand-structure hypothesis) is a conjecture in economics about international trade patterns. The hypothesis is that the more similar are the demand structures of countries the more they will trade with one another. Further, international trade will still occur between two countries having identical preferences and factor endowments (relying on specialization to create a comparative advantage in the production of differentiated goods between the two nations).

Location theory[edit]

Location theory is concerned with the geographic location of economic activity; it has become an integral part of economic geography, regional science, and spatial economics. Location theory addresses the questions of what economic activities are located where and why. Location theory rests — like microeconomic theory generally — on the assumption that agents act in their own self-interest. Thus firms choose locations that maximize their profits and individuals choose locations, that maximize their utility.

Market imperfection theory (Stephen Hymer, 1976 & Charles P. Kindleberger, 1969 & Richard E. Caves, 1971)[edit]

In economics, a market failure is a situation wherein the allocation of production or use of goods and services by the free market is not efficient. Market failures can be viewed as scenarios where individuals' pursuit of pure self-interest leads to results that can be improved upon from the societal point of view.[6] The first known use of the term by economists was in 1958,[7] but the concept has been traced back to the Victorian philosopher Henry Sidgwick.[8]

Market imperfection can be defined as anything that interferes with trade.[9] This includes two dimensions of imperfections.[9] First, imperfections cause a rational market participant to deviate from holding the market portfolio.[9] Second, imperfections cause a rational market participant to deviate from his preferred risk level.[9] Market imperfections generate costs which interfere with trades that rational individuals make (or would make in the absence of the imperfection).[9]

The idea that multinational corporations (MNEs) owe their existence to market imperfections was first put forward by Stephen Hymer, Charles P. Kindleberger and Caves.[10] The market imperfections they had in mind were, however, structural imperfections in markets for final products.[11]

According to Hymer, market imperfections are structural, arising from structural deviations from perfect competition in the final product market due to exclusive and permanent control of proprietary technology, privileged access to inputs, scale economies, control of distribution systems, and product differentiation,[12] but in their absence markets are perfectly efficient.[11]

By contrast, the insight of transaction costs theories of the MNEs, simultaneously and independently developed in the 1970s by McManus (1972), Buckley and Casson (1976), Brown (1976) and Hennart (1977, 1982), is that market imperfections are inherent attributes of markets, and MNEs are institutions to bypass these imperfections.[11] Markets experience natural imperfections, i.e. imperfections that are because the implicit neoclassical assumptions of perfect knowledge and perfect enforcement are not realized.[13]

New Trade Theory[edit]

New Trade Theory (NTT) is the economic critique of international free trade from the perspective of increasing returns to scale and the network effect. Some economists have asked whether it might be effective for a nation to shelter infant industries until they had grown to a sufficient size large enough to compete internationally.

New Trade theorists challenge the assumption of diminishing returns to scale, and some argue that using protectionist measures to build up a huge industrial base in certain industries will then allow those sectors to dominate the world market (via a network effect).

Specific factors model[edit]

In this model, labour mobility between industries is possible while capital is immobile between industries in the short-run. Thus, this model can be interpreted as a 'short run' version of the Heckscher-Ohlin model.

Traditional approaches[edit]

The Porter diamond[14]

Diamond model (Michael Porter)[edit]

The diamond model is an economical model developed by Michael Porter in his book The Competitive Advantage of Nations, where he published his theory of why particular industries become competitive in particular locations.[15]

The diamond model consists of six factors:[15]

  • Factor conditions
  • Demand conditions
  • Related and supporting industries
  • Firm strategy, structure and rivalry
  • Government
  • Chance

The Porter thesis is that these factors interact with each other to create conditions where innovation and improved competitiveness occurs.[15]

Diffusion of innovations (Rogers, 1962)[edit]

Diffusion of innovation is a theory of how, why, and at what rate new ideas and technology spread through cultures. Everett Rogers introduced it in his 1962 book, Diffusion of Innovations, writing that "Diffusion is the process by which an innovation is communicated through certain channels over time among the members of a social system."[16]

Eclectic paradigm (John H. Dunning)[edit]

The eclectic paradigm is a theory in economics and is also known as the OLI-Model.[17][18] It is a further development of the theory of internalization and published by John H. Dunning in 1993.[19] The theory of internalization itself is based on the transaction cost theory.[19] This theory says that transactions are made within an institution if the transaction costs on the free market are higher than the internal costs. This process is called internalization.[19]

For Dunning, not only the structure of organization is important.[19] He added three additional factors to the theory:[19]

  • Ownership advantages[17] (trademark, production technique, entrepreneurial skills, returns to scale)[18]
  • Locational advantages (existence of raw materials, low wages, special taxes or tariffs)[18]
  • Internalisation advantages (advantages by producing through a partnership arrangement such as licensing or a joint venture)[18]

Foreign direct investment theory[edit]

Foreign direct investment (FDI) in its classic form is defined as a company from one country making a physical investment into building a factory in another country. It is the establishment of an enterprise by a foreigner.[20] Its definition can be extended to include investments made to acquire lasting interest in enterprises operating outside of the economy of the investor.[21] The FDI relationship consists of a parent enterprise and a foreign affiliate which together form a multinational corporation (MNC). In order to qualify as FDI the investment must afford the parent enterprise control over its foreign affiliate. The International Monetary Fund (IMF) defines control in this case as owning 10% or more of the ordinary shares or voting power of an incorporated firm or its equivalent for an unincorporated firm; lower ownership shares are known as portfolio investment.[22]

Monopolistic advantage theory (Stephen Hymer)[edit]

The monopolistic advantage theory is an approach in international business which explains why firms can compete in foreign settings against indigenous competitors[23] and is frequently associated with the seminal contribution of Stephen Hymer.[24]

Prior to Stephen Hymer’s doctoral thesis, The International Operations of National Firms: A Study of foreign direct Investment, theories did not adequately explain why firms engaged in foreign operations. Hymer started his research by analyzing the motivations behind foreign investment of US corporations in other countries. Neoclassical theories, dominant at the time, explained foreign direct investments as capital movements across borders based on perceived benefits from interest rates in other markets, there was no need to separate them from any other kind of investment (Ietto-Guilles, 2012).

He effectively differentiated Foreign Direct Investment and portfolio investments by including the notion of control of foreign firms to FDI Theory, which implies control of the operation; whilst portfolio foreign investment confers a share of ownership but not control. Stephen Hymer focused on and considered FDI and MNE as part of the theory of the firm. (Hymer, 1976: 21)

He also dismissed the assumption that FDIs are motivated by the search of low costs in foreign countries, by emphasizing the fact that local firms are not able to compete effectively against foreign firms, even though they have to face foreign barriers (cultural, political, lingual etc.) to market entry. He suggested that firms invest in foreign countries in order to maximize their specific firm advantages in imperfect markets, that is, markets where the flow of information is uneven and allows companies to benefit from a competitive advantage over the local competition.

Stephen Hymer also suggested a second determinant for firms engaging in foreign operations, removal of conflicts. When a rival company is operating in a foreign market or is willing to enter one, a conflict situation arises. Through FDI, a multinational can share or take complete control of foreign production, effectively removing conflict. This will lead to the increase of market power for the specific firm, increasing imperfections in the market as a whole (Ietto-Guilles, 2012)

A final determinant for multinationals making direct investments is the distribution of risk through diversification. By choosing different markets and production locations, the risk inherent to foreign operations are spread and reduced.

All of these motivations for FDI are built on market imperfections and conflict. A firm engaging in direct investment could then reduce competition, eliminate the conflicts and exploit the firm specific advantages making them capable of succeeding in a foreign market.

Stephen Hymer can be considered the father of international business because he effectively studied multinationals from a different perspective than the existing literature, by approaching multinationals as national companies with international operations, regarded as expansions from home operations. He analyzed the activities of the MNEs and their impact on the economy, gave an explanation for the large flow of foreign investments by US corporations at a time where they were incomplete, and envisioned the ethical conflicts that could arise from the increase in power of MNEs.

Non-availability approach (Irving B. Kravis, 1956)[edit]

The non-availability explains international trade by the fact that each country imports the goods that are not available at home.[25] This unavailability may be due to lack of natural resources (oil, gold, etc.: this is absolute unavailability) or to the fact that the goods cannot be produced domestically, or could only be produced at prohibitive costs (for technological or other reasons): this is relative unavailability.[26] On the other hand, each country exports the goods that are available at home.[26]

Technology gap theory of trade (Michael Posner)[edit]

The technology gap theory describes an advantage enjoyed by the country that introduces new goods in a market. As a consequence of research activity and entrepreneurship, new goods are produced and the innovating country enjoys a monopoly until the other countries learn to produce these goods: in the meantime they have to import them. Thus, international trade is created for the time necessary to imitate the new goods (imitation lag).[25]

Uppsala model[edit]

The Uppsala model[27] is a theory that explains how firms gradually intensify their activities in foreign markets.[28] It is similar to the POM model.[29] The key features of both models are the following: firms first gain experience from the domestic market before they move to foreign markets; firms start their foreign operations from culturally and/or geographically close countries and move gradually to culturally and geographically more distant countries; firms start their foreign operations by using traditional exports and gradually move to using more intensive and demanding operation modes (sales subsidiaries etc.) both at the company and target country level.[30]

Updated Uppsala model[edit]

The Updated Uppsala model[31] is a further progression of the original Uppsala model. Like the Uppsala model, the Updated Uppsala model is a theory that explains firm internationalization as a process of gradual commitment. However, instead of an increased commitment to other markets, the theory posits that firms commit to business networks.[32] Firms thereby utilize the established relationships with other firms to internationalize within their network, e.g. by localizing production at a foreign production site of the client.[33]

Learning portal model[edit]

The Learning Portal Model [34] is a new theory that was originally developed to explain the emergence and catch-up of multinational firms from the emerging markets. The theory explains that latecomer firms (from both, advanced and emerging markets) can use springboarding strategies to leapfrog certain technological development stages and accelerate their catch‐up with incumbent leading firms in their industry. To do so, the catching-up firms establish learning portals in knowledge hubs to acquire knowledge and assets, which they exploit to compete in global markets.

Further theories[edit]

Contingency theory[edit]

Contingency theory refers to any of a number of management theories. Several contingency approaches were developed concurrently in the late 1960s. They suggested that previous theories such as Weber's bureaucracy and Frederick Winslow Taylor's scientific management had failed because they neglected that management style and organizational structure were influenced by various aspects of the environment: the contingency factors. There could not be "one best way" for leadership or organization.

Contract theory[edit]

In economics, contract theory studies how economic actors can and do construct contractual arrangements, generally in the presence of asymmetric information. Contract theory is closely connected to the field of law and economics. One prominent field of application is managerial compensation.

Economy of scale[edit]

Economies of scale, in microeconomics, are the cost advantages that a business obtains due to expansion. They are factors that cause a producer’s average cost per unit to fall as output rises.[35] Diseconomies of scale are the opposite. Economies of scale may be utilized by any size firm expanding its scale of operation.

Internalisation theory (Peter J. Buckley & Mark Casson, 1976; Rugman, 1981)[edit]

Product life-cycle theory[edit]

As first articulated by Raymond Vernon in 1966, a product goes through a life cycle consisting of four stages: "new product", "growth product", "maturity product" and "obsolescence product". The conditions in which a product is sold change over time and must be managed as it moves through this succession of stages. This is called product life cycle management. [36]

Transaction cost theory[edit]

The theory of the firm consists of a number of economic theories which describe the nature of the firm, company, or corporation, including its existence, its behaviour, and its relationship with the market.

Ronald Coase set out his transaction cost theory of the firm in 1937, making it one of the first (neo-classical) attempts to define the firm theoretically in relation to the market.[37] Coase sets out to define a firm in a manner which is both realistic and compatible with the idea of substitution at the margin, so instruments of conventional economic analysis apply. He notes that a firm’s interactions with the market may not be under its control (for instance because of sales taxes), but its internal allocation of resources are: “Within a firm, ... market transactions are eliminated and in place of the complicated market structure with exchange transactions is substituted the entrepreneur ... who directs production.” He asks why alternative methods of production (such as the price mechanism and economic planning), could not either achieve all production, so that either firms use internal prices for all their production, or one big firm runs the entire economy.

Theory of the growth of the firm (Edith Penrose, 1959)[edit]

While at Johns Hopkins, Penrose participated in a research project on the growth of firms. She came to the conclusion that the existing theory of the firm was inadequate to explain how firms grow. Her insight was to realise that the 'Firm' in theory is not the same thing as 'flesh and blood' organizations that businessmen call firms. This insight eventually led to the publication of her second book, The Theory of the Growth of the Firm in 1959.

Stages of Internationalization[38][edit]

Internationalization cab defined as to the process of designing a product or service in such a way that it can be adapted to various languages and regions without any engineering changes. This strategy is typically used by companies to expand their operations and market reach. The stages of internationalization can vary based on specific business models, but they often follow a similar sequence:

  1. Domestic Company
  2. International Company
  3. Multinational Company
  4. Global Company
  5. Transitional Corporation

Domestic Company[edit]

Predominantly, companies that now operate internationally originally started as domestic entities. These domestically-focused businesses tend to operate from an ethnocentric perspective, focusing primarily on their home market without considering the potential of venturing into international territories. As these companies grow and evolve, they may reach a saturation point within their primary market, leading them to explore new markets or invest in novel product technologies, often overlooking the possibility of international expansion.

However, various factors may prompt a shift in this strategy, such as restrictions or saturation in the domestic market, potential opportunities in foreign markets, or increasing competitive pressures. When such factors induce the company to revise its strategy with an aim to exploit the potential of foreign markets, this signifies a transition to the next stage in its evolutionary journey.

International Company[edit]

An international company typically represents the second phase in a company's evolution towards becoming a transnational corporation. In this stage, the company's outlook primarily remains ethnocentric - meaning it views its operations from the perspective of its home country. The company's marketing strategy at this juncture can be seen as an extension of its domestic approach.

This means that the marketing mix - consisting of product, price, place, and promotion that was initially designed for the home market, is now broadened and deployed into foreign markets. In essence, the domestic strategies are extended and adapted to meet the needs of international markets.

At this stage, the company heavily depends on international business activities. Although it still maintains a largely home-country centered approach, its operations and revenue streams are increasingly influenced by cross-border transactions, marking a significant step in the company's journey towards becoming a truly global entity.

Multinational Company[edit]

Transitioning from an international company to a multinational one involves a shift in perspective from ethnocentric (home country-focused) to polycentric (host country-focused). This change occurs when a company acknowledges and responds to differences in global markets, advancing to the third stage of development a multinational corporation operating with a multi-domestic strategy.

A multi-domestic strategy tailors products and operations to each individual country in which the company operates, emphasizing the adaptation of their marketing strategy to align with each specific local market. In this setting, foreign subsidiaries often operate as independent entities, akin to individual city-states, within a broader regional structure. These subsidiaries report to a regional organization, which, in turn, communicates with the global headquarters. This structure ensures local responsiveness while maintaining overarching strategic alignment.

Global Company[edit]

In the stages of internationalization, a global company usually adopts one of two primary strategies. It may either implement a global marketing strategy, focusing on international markets while sourcing from its home country or another single country, or it might concentrate on its domestic market while sourcing globally to support its local operations.

Nevertheless, some interpretations suggest that every aspect of a global corporation, from product development to marketing, will follow a global strategy.

Transitional Corporation[edit]

In the stages of internationalization, the transitional corporation represents a highly advanced stage. This entity is not merely a company with sales and operations spread across multiple countries. Instead, it is an integrated global enterprise that efficiently connects worldwide resources with international markets, thereby driving profit. This model is becoming increasingly prevalent in various global markets and industries.

Characteristics of a Transnational Corporation[edit]

  1. Geocentric orientation.
  2. Thinks globally and acts locally.
  3. Global strategy but allows value addition to the customer.
  4. Allows adaptation to add value to its global offer.
  5. Assets are distributed throughout the world.
  6. Independent and specialized.
  7. R&D integrated.
  8. Production spread but specialized and integrated.

See also[edit]


  1. ^ Susman, Gerald I. (2007). Small and Medium-sized Enterprises and the Global Economy. Young et al., 2003. Edward Elgar Publishing. p. 281. ISBN 978-1-84542-595-1.
  2. ^ Adel, H. M.; Zeinhom, G. A.; Mahrous, A. A. (2018). "Effective management of an internationalization strategy: A case study on Egyptian–British universities' partnerships". International Journal of Technology Management & Sustainable Development. 17 (2): 183–202. doi:10.1386/tmsd.17.2.183_1. S2CID 159384176.
  3. ^ a b c Ingham, Barbara (2004). International economics: a European focus. Pearson Education. p. 336. ISBN 0-273-65507-8.
  4. ^ a b c d Hunt, E. K. (2002). History of economic thought: A critical perspective. M.E. Sharpe. p. 120. ISBN 0-7656-0607-0.
  5. ^ Blaug, Mark (1992). The methodology of economics, or, How economists explain. Cambridge University Press. p. 190. ISBN 0-521-43678-8.
  6. ^ Krugman, Paul, Wells, Robin, Economics, Worth Publishers, New York, (2006)
  7. ^ Bator, Francis M. (August 1958). "The Anatomy of Market Failure". The Quarterly Journal of Economics. The MIT Press. 72 (3): 351–379. doi:10.2307/1882231. JSTOR 1882231.
  8. ^ Medema, Steven G. (July 2004). "Mill, Sidgwick, and the Evolution of the Theory of Market Failure" (PDF). Retrieved 2007-06-23.
  9. ^ a b c d e DeGennaro, Ramon P. (December 2005). "Market Imperfections" (PDF). Working Paper. Federal Reserve Bank of Atlanta - Working Paper Series. Archived from the original (PDF) on 2010-04-01. Retrieved 2009-03-17.
  10. ^ Pitelis, Christos; Roger Sugden (2000). The nature of the transnational firm. Hymer (1960, published in 1976), Kindleberger (1969) & Caves (1971). Routledge. p. 74. ISBN 0-415-16787-6.
  11. ^ a b c Pitelis, Christos; Roger Sugden (2000). The nature of the transnational firm. Routledge. p. 224. ISBN 0-415-16787-6.
  12. ^ Pitelis, Christos; Roger Sugden (2000). The nature of the transnational firm. Bain (1956). Routledge. p. 74. ISBN 0-415-16787-6.
  13. ^ Pitelis, Christos; Roger Sugden (2000). The nature of the transnational firm. Dunning & Rugman (1985), Teece (1981). Routledge. p. 74. ISBN 0-415-16787-6.
  14. ^ Traill, Bruce; Eamonn Pitts (1998). Competitiveness in the Food Industry. Porter (1990, p. 127). Springer. p. 19. ISBN 0-7514-0431-4.
  15. ^ a b c Traill, Bruce; Eamonn Pitts (1998). Competitiveness in the Food Industry. Springer. p. 301. ISBN 0-7514-0431-4.
  16. ^ Rogers, Everett M. (2003).Diffusion of Innovations, 5th ed.. New York, NY: Free Press.
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  20. ^ O'Sullivan, Arthur; Sheffrin, Steven M. (2003). Economics: Principles in Action. Upper Saddle River, New Jersey 07458: Pearson Prentice Hall. p. 551. ISBN 0-13-063085-3.{{cite book}}: CS1 maint: location (link)
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  22. ^ International Monetary Fund, 1993. Balance of Payments Manual, fifth edition (Washington, D.C.)
  23. ^ Bürgel, Oliver (2000). The internationalisation of British start-up companies in high-technology industries. Springer (Zentrum für Europäische Wirtschaftsforschung). p. 48. ISBN 3-7908-1292-7.
  24. ^ Bürgel, Oliver (2000). The internationalisation of British start-up companies in high-technology industries. Hymer (1976); Hymer's original thesis was completed in 1960, but it was only after his death, in 1976, that it was published by the MIT. By that time, his ideas had already found widespread acceptance. Springer (Zentrum für Europäische Wirtschaftsforschung). p. 48. ISBN 3-7908-1292-7.
  25. ^ a b Gandolfo, Giancarlo (1998). International Trade Theory and Policy: With 12 Tables. Irving B. Kravis (1956). Springer. pp. 233–234. ISBN 3-540-64316-8.
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  27. ^ Elgar, Edward (2003). Learning in the Internationalisation Process of Firms. Johanson & Wiedersheim-Paul (1975), Johanson & Vahlne (1977). p. 261. ISBN 1-84064-662-4. Retrieved 2009-03-21.
  28. ^ Blomstermo, Anders; Dharma Deo Sharma (2003). Learning in the internationalisation process of firms. Edward Elgar. pp. 36–53. ISBN 978-1-84064-662-7.
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  32. ^ Johanson, J.; Vahlne, J.-E. (2013). "The Uppsala model on evolution of the multinational business enterprise: From internalization to coordination of networks". International Marketing Review. 30 (3): 189–210. doi:10.1108/02651331311321963. Retrieved April 29, 2021.
  33. ^ Hertenstein, P.; Sutherland, D.; Anderson, J. (2017). "Internationalization within networks: Exploring the relationship between inward and outward FDI in China's auto components industry". Asia Pacific Journal of Management. 34: 69–96. doi:10.1007/s10490-015-9422-3. S2CID 55924013. Retrieved April 29, 2021.
  34. ^ Hertenstein, P.; Alon, I. (2021). "A learning portal model of emerging markets multinationals". Global Strategy Journal. 12: 134–162. doi:10.1002/gsj.1400.
  35. ^ O'Sullivan, Arthur; Sheffrin, Steven M. (2003). Economics: Principles in Action. Upper Saddle River, New Jersey 07458: Pearson Prentice Hall. p. 157. ISBN 0-13-063085-3.{{cite book}}: CS1 maint: location (link)
  36. ^ Vernon, Raymond (1966). "International Investment and International Trade in the Product Cycle. in: Quarterly Journal of Economics". Quarterly Journal of Economics. Cambridge: 191. ISSN 0033-5533.[permanent dead link]
  37. ^ Coase, Ronald H., "The Nature of the Firm", Economica 4, pp 386-405, 1937.
  38. ^ "5 Stages of Internationalization | Getuplearn". Retrieved 2023-05-29.