Marsh gas is an important type of renewable energies and plays important role to solve the energy issue in remote countryside. This article captures the development of marsh gas in Gongcheng County of China with game theory model. Firstly, the development history of marsh gas in Gongcheng County...

Collective reputation, such as watches "made in Switzerland", affects the whole industry all over the world. This article highlights the relationship between competition and collective reputation. First, collective quality level depends on firms objectives. Second, the collectively determined...

This article captures the effects of secondary markets on the durable goods with game theory technology. Firstly, under monopoly in production, secondary markets both improve the producer's profits and extend the market size. Secondly, to improve the profits, the producer launches the secondary...