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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 ]
Caryl E. Rusbult was a professor and chair of the Department of Social and Organizational Psychology at the Vrije Universiteit in Amsterdam, Netherlands. She died from uterine cancer on January 27, 2010. Rusbult received her B.A. in Sociology from UCLA (1974) and Ph.D. in Psychology from the University of North Carolina at Chapel Hill (1978).
The investment model proposed by Caryl Rusbult is a useful version of social exchange theory. According to this model, investments serve to stabilize relationships. The greater the nontransferable investments a person has in a given relationship, the more stable the relationship is likely to be.
The investment model of commitment is a theoretical framework that suggests that an evaluation of relationship satisfaction, relationship investment, and the quality of alternatives to the relationship impact whether an individual remains in a relationship.
A variant of the 2-L model, the k2 model, where first and second neighbour nodes contribute equally to a target node's attractiveness, demonstrates the emergence of transient scale-free networks. [4] In the k2 model, the degree distribution appears approximately scale-free as long as the network is relatively small, but significant deviations ...
The assumption of constant investment opportunities can be relaxed. This requires a model for how ,, change over time. An interest rate model could be added and would lead to a portfolio containing bonds of different maturities. Some authors have added a stochastic volatility model of stock market returns.
Portfolio optimization is the process of selecting an optimal portfolio (asset distribution), out of a set of considered portfolios, according to some objective.The objective typically maximizes factors such as expected return, and minimizes costs like financial risk, resulting in a multi-objective optimization problem.
Wilkie investment model This page was last edited on 23 August 2019, at 12:21 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4 ...