Trust:

The imperfect maket spawns network of trust between companies. Where they will soon form into units of oligopoly to control the maket. Usually result in higher prices for higher profit for the members in the trust system. However, under the notion of invisible hand, this system can never last. Because any one firm in the system can have significantly increase in its profit by lowering it prices. The trust betwwen the owners rarely excced the greeds in the market, but this trust is often holen tied by threat or laws. This result is the crisis that underlay in every market...