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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 ]
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 ]
It seeks to explain the patterns and consequences of transactions and interactions between the inhabitants of different countries, including trade, investment and transaction. [ 1 ] International trade studies goods and services flows across international boundaries from supply-and-demand factors, economic integration , international factor ...
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.
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:
An economic model is a theoretical construct representing economic processes by a set of variables and a set of logical and/or quantitative relationships between them. The economic model is a simplified, often mathematical, framework designed to illustrate complex processes. Frequently, economic models posit structural parameters. [1] A model ...
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 key feature of this model is positive assortative matching, whereby people with similar skill levels work together. [1] The model argues that the O-ring development theory explains why rich countries produce more complicated products, have larger firms and much higher worker productivity than poor countries. [2]