Purpose – There is strong reaction between a company and its stakeholders on corporate social responsibility (CSR). The premise is that there should be a valid communication between them. The study researches Chinese situations on one-way communication between company and stakeholders and...

This paper investigates the effect of private pensions on the retirement wealth distribution. We incorporate stochastic private pension coverage into a calibrated life-cycle model with stochastic earnings. Private pensions lead to higher net worth inequality at retirement, which is closer to the...

We investigate the effect of reaction-time delay of drivers upon traffic flow analytically and numerically. We extend the optimal velocity difference model by taking reaction-time delay of drivers into account. The stability condition is obtained. The Burgers, Korteweg–de Vries (KdV) and...

Population aging and the recent global financial crisis underscore the importance of the discussions of the adequacy of retirement preparation in Canada and the soundness of the Canadian retirement income system. The focus of this study is to examine whether the accumulated private savings of...

Le vieillissement de la population et la recente crise financiere mondiale font ressortir l'importance des discussions concernant le caractere adequat de la preparation a la retraite au Canada et la fiabilite du systeme de revenu de retraite canadien. La presente etude vise a determiner si...

Karst is widely distributed in the southwest of China, especially in Guizhou Province. The phenomenon of desertification in these areas is very serious. And soil erosion is the key link in the process of desertification. Through field monitoring, underground soil leakage is derived to the main...

We propose a model of mobile agents to study the epidemic spreading in communities with different densities of agents, which aims to simulate the realistic situation of multiple cities. The model addresses the epidemic process from a community with threshold λc1 less than the infection rate λ...