Abstract
There is a social dilemma in workplace regarding the contribution to a organization. Each workplace consisting of many workers, constructs each company. The society is evolved by the competition of many companies.
This paper offers a new model and helps to solve the free rider problem. The model consists of two-levels, workplace level that is modeled as a set of N-person games and social level that is in higher level than workplace.
Workers are given some strategies and the natural selection is carried out in workplace level. Similarly, companies are given some performance appraisal methods and the natural selection is also carried out in social level.We analyze the relationship between performance appraisal methods and strategies.
