gross profit vs net income In the face of market failure, coase has given the opposite answer: external-utility problems can be solved by explicitly using the market, without government intervention. And zhang wuchang is more absolute, he said that there is no so-called external utility, there is only unclear property rights. Anyway, coase brought revolutionary innovation to market concepts. He made it clear that the key to the market was not the "price mechanism" of impersonal machinery, but the power of participants in economic activity. Above all, they can avoid meddling in parliamentary politics, as the ECB did when Italy's silvio berlusconi government collapsed in 2011. Then they can lower their heads and hope for the best. Xpoint fills the cost and cost gap between high speed and high cost DRAM and low cost NAND. Does this technology engulf DRAM and NAND markets? Customers who purchase a large number of Xpoint chip/drives may purchase fewer DRAM chips and NAND chips/drives. Yu 'ebao, the world's largest money fund, took only four years to achieve the equivalent of 10 years of development, with a maximum annual yield approaching 7%. But in its rapid development, there have also been a big wave of backwater, the most severe, from March 2015 to September 2016, the yield was down from 4.4 percent to about 2.4 percent. The Christmas season is a time that you will certainly wish to spend with your family and friends. It is not even the sharing of gifts that matters, while you cannot discount the wide smiles it brings. It is the presence of folks you worry about when you celebrate the season?s highlight, Christmas Eve. You should be prepared with some activities that can carry on the fun in mid-air and prevent what every party host fears most, that's boredom. One of the wonderful activities you can do is to possess everyone sing in unison all the Christmas songs they know. To do this, monetary and fiscal policymakers must work together, including letting the central bank liquidate its budget deficit in extreme circumstances. But central bank independence is an obstacle, not a help, in working with the financial sector.