firm profit maximization problem The difference between financial capital preservation and physical capital preservation Last month, the bank said it expects to raise interest rates twice to keep inflation below 3 percentage points by the end of the decade. 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. In order to overcome the rear overreach of the ship's car, a strong air eddy effect was created when the car was traveling at high speed, and people developed fish shaped cars like the back of a fish. In 1952, general motors' buick sedan ushered in the era of fish cars. In terms of the shape of the car's back, a fish-type car is similar to a beetle. But as observed carefully, will find fish type car back and ground into the Angle is small, the tail is longer, around the body of the air flow is relatively easier, so vortex flow resistance is also relatively small. Wedge car Originated in ancient human market trading place for a fixed period of time or place, after the urban growth and prosperity, live in the city of adjacent area farmers, craftsmen, artisans, will start to deal with each other and contribute to the economy of the city. Obvious, the best way to trade is in the city there is a centralized, as market, can let the people in the provision of goods and business services, convenient for people to find goods and business contacts. When a city's market becomes large and more open, the city's economic vitality is also relatively growing.