According to this model, the interest rate decision depends on the supply of savings and investment needs, money supply, money demand, four factors, cause a change in the saving investment, money supply and demand factors will affect the level of interest rates. This theory is characterized by general equilibrium analysis. But even at its lowest point, interest rates were just 0.18 percentage points higher, not a quarter-point rise in interest rates. Micron has not seen the arrival of a plentiful supply, instead saying that DRAM and NAND demand changes are long-term and sustainable. That means other DRAM and NAND providers will have similar views in coming quarters. On December 15th, just a day after the listing, Longfin announced that it was buying Ziddu.com, a singapore-based blockchain, with the shares of Longfin soaring in the face of a digital currency frenzy recently represented by bitcoin. There are 3, 4, 5, 6, 8, 10 and 12 cylinders of the engine. The arrangement of cylinder mainly includes direct column, V shape, W shape, etc.