net profit margin investopedia The value was originally derived from the special material system, the preordering movement of dissipative structure, and the "ordering energy" was the original "value". With the continuous evolution of human beings, "ordering energy" further developed into "generalized and orderly energy", which gradually became the real human value. In a word, the value is derived from the nature, and with the evolution of the human evolution, the development of the society, the development trend of value of ultimate principle is only the movement of the material world and labor of human society. Planning is so important for the success of the transaction that it is necessary to use a hypothetical example to further illustrate. If classical economists have interpreted the "market" as "laissez-faire", coase has answered the question of how to achieve "laissez-faire" or "price mechanism". Why did yu 'ebao decline? The fund's managing director Christine Lagarde said Christine Lagarde, in June 2016, voted to leave the European Union has an impact, the British economic growth this year and in other parts of the world economic growth.