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The investment model of commitment, originally described by Caryl E. Rusbult, is a predictive psychological theory that aims to explain why people remain in relationships. Its tenants are based primarily on those of interdependence theory , created by Harold Kelley and John Thibaut . [ 1 ]
Interdependence theory is a social exchange theory that states that interpersonal relationships are defined through interpersonal interdependence, which is "the process by which interacting people influence one another's experiences" [1] (Van Lange & Balliet, 2014, p. 65).
The cross-country liaison or economic interaction between countries or states is most commonly measured by Pearson's cross-correlation coefficient. [22] The correlation matrix is a methodical method which exhibits the mutual relationship of countries over a specified time period. [ 23 ]
The traditional investment model often prioritizes financial returns above all else. However, a growing number of investors recognize their money can be a force for good, too.
Social exchange theory has served as a theoretical foundation to explain different situations in business practices. It has contributed to the study of organization-stakeholder relationships, supply network relationships, [59] and relationship marketing. The investment model proposed by Caryl Rusbult is a useful version of social exchange ...
Neocolonial dependence, also known as the Neocolonial Dependance Model or Dependency Theory is an indirect outgrowth of Marxist thinking which is a subgroup of development economics. According to this doctrine, third world underdevelopment is viewed as the result of highly unequal international capitalist system or rich country-poor country ...
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:
Rostow's model is descendent from the liberal school of economics, emphasizing the efficacy of modern concepts of free trade and the ideas of Adam Smith.It also denies Friedrich List’s argument that countries reliant on exporting raw materials may get “locked in”, and be unable to diversify, in that Rostow's model states that countries may need to depend on a few raw material exports to ...