On the ripe security market,the credit trade can guarantee that the fund on the market is supplied.It can also prevent the fund shortage of the real economy field due to the fact that too much fund stays on the fictitious capital market.It has the function of optimizing resource distribution and promoting the development of economy.On the other hand on the unripe security market,the credit trade will aggravate the fluctuation of the market further.It will make the speculation composition of the market denser...
