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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 ]
Rusbult’s Investment Model of Commitment Processes is one of the most well-known and influential theoretical frameworks in the area of close relationships. This model explains how committed partners maintain and promote their relationships by transforming personal motives to take into account the necessity of coordinating and getting along ...
The gravity model, in its basic form, predicts trade based on the distance between countries and the interaction of the countries' economic sizes. The model mimics the Newtonian law of gravity which also considers distance and physical size between two objects. The model has been shown to have significant empirical validity. [12]
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 ...
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 ...
To a large extent, the international legal aspects of the relationship between countries and foreign investors are addressed bilaterally between two countries. The conclusion of BITs has evolved from the second half of the 20th century onwards, and today these agreements constitute a key component of the contemporary international law on ...
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]