Abstract: Ever since the separation of the loan capital from the commercial capital and the industrial capital, the virtual economy has been generated and expanded gradually along with the economic development. The virtual economy is a double-edged sword: on one hand, it promotes the development...

In this paper, infinitely repeated prisoner's dilemma game as a benchmark being used to build a new model as the payoff matrix of an evolutionary game dynamics, with the comparative study of game performances between the behavior- pattern “tit for tat” and the behavior-pattern “always...

In this paper, in order to study the strategic interactions between “cooperation”, “defection” and “altruistic punishment”, a mutation-selection dynamics, with the Prisoner's Dilemma as the background, has been established on an embedded Markov chain, proved the following...

In this paper, in order to study the strategic interactions between “cooperation”, “defection” and “altruistic punishment”, a mutation-selection dynamic, with the Prisoner's Dilemma as the background, has been established on an embedded Markov chain, proved the following conclusions:...

Chinese Abstract:...

"The world made significant progress on reducing poverty between 1981 and 2001 — the number of people in developing countries living on less than US$1 a day fell from 1.5 billion to 1.1 billion, or from 40 to 21 percent of the world's population. In fact, however, nearly all this progress...

Can extending social welfare expenditures promote economic growth? This issue has been discussed extensively, with some research pointing to net benefits while others find a net negative impact. Insight can be gained by careful analysis of several sub-questions. For example, for two countries...