Environmental effects on walking behavior have received attention in recent years because of the potential for policy interventions to increase population levels of walking. Most epidemiologic studies describe associations of walking behavior with environmental features. These analyses ignore the dynamic processes that shape walking behaviors. A spatial agent-based model (ABM) was developed to ...

a major constraint to the application of any form of knowledge and principles is the awareness, understanding and acceptance of the knowledge and principles. systems thinking (st) is a way of understanding and thinking about the nature of  health systems and how to make and implement decisions within health systems to maximize desired and minimize undesired effects. a major constraint to applyi...

This paper develops a decentralized leader-follower game for network design of a competitive supply chain problem in which a new chain as the leader enters a market with one existing supply chain as a follower. Both chains produce an identical product, customer demand is inelastic and customer utility function is based on Huff gravity-based model. The leader wants to shape his network and set a...

On Humeís account of motivation, beliefs and desires are very di§erent kinds of propositional attitudes. Beliefs are cognitive attitudes, desires emotive ones. An agentís belief in a proposition captures the weight he or she assigns to this proposition in his or her cognitive representation of the world. An agentís desire for a proposition captures the degree to which he or she prefers its trut...

the purpose of this paper is to study how the characteristics of successful managers are somehow related to their programme in co-operatives. the study shows there is a significant relationship between managers' characteristics such as innovation, authority and leadership, with managerial skills, self confidence and degree of success. however, there is no correlation between intelligence, ...