In competing to buy securities where earning arbitrage profits is possible, traders force prices up to the level where arbitrage profits can no longer be earned.
Step-by-step explanation:
The banking system plays an important role in the modern economic world. They collect the savings of the people and they lend it to the business men. Such loans benefit the trade and commerce.
Banking system can create money which is necessary when business expands. Banks play a major role in creating the free flow and liquidity of money in the economy of developing countries.