A meta-analysis of the impact of foreign direct investment on local businesses in developing and transition countries in 2010 suggests that foreign investment significantly increases local productivity growth. [28] The Development Commitment Index classifies the «development facility» of investment policy in rich countries. In the 1950s and 1960s, the Organisation for European Economic Cooperation (now the Organisation for Economic Co-operation and Development) had attempted to create a framework to protect international investment, but its efforts revealed conflicting views on how to obtain compensation for the expropriation of foreign direct investment. The MAI was supported by both the OECD Business and Industry Advisory Committee (BIAC) and the OECD Trade Union Advisory Council (TUAC). While BIAC was interested in a stable and consistent treatment of investments, TUAC was interested in setting standards for employment and labour relations. [6] Hymer`s importance in international affairs and foreign direct investment stems from the fact that he is the first to talk about the existence of multinationals (MNE) and the reasons for foreign direct investment beyond macroeconomic principles, its influence on researchers and subsequent theories in international affairs, such as the OLI (Ownership, Location and Internationalization) theory of John Dunning and Christ , which focuses more on transaction costs, theorized. In addition, «the efficiency and added value of di and MNE activity were reinforced by two other important scientific developments in the 1990s: resource-based theories (RBV) and theories of evolution[13] In addition, some of its forecasts were later made, such as the power of supranational bodies such as the IMF or the World Bank. , which increases inequality (Dunning – Piletis, 2008). This is a phenomenon that aims to address goal 10 of the United Nations Sustainable Development Organization. [14] Other persons cannot sue a state under an investment contract.

In addition, no individual or state may sue a foreign investor under an investment agreement. This has led to criticism that investor-state arbitration procedures are not balanced and that they favour «assets» over «have nothing» by giving foreign investors, particularly large corporations, access to a special tribunal outside a court.