按照国民经济支出法核算,国内生产总值(GDP)是由投资、消费和净出口三驾马车拉动的,三者在GDP中所占的比重分别构成投资率、消费率和净出口贡献率。由于世界各国人均收入水平和经济制度等方面的差异,各国消费率高低不一、特点各异。与此同时,受经济全球化和市场化的影响,各国消 According to the calculation of the national economic expenditure method, gross domestic product (GDP) is driven by the troika of investment, consumption and net exports. The proportions of the three in GDP constitute the investment rates, the consumption rates and the net export contribution rates, respectively. Due to the differences in per capita income level and economic system of various countries in the world, the rates of consumption vary from one country to another and have different characteristics. In the meantime, by the impact of economic globalization and marketization, all countries have eliminated it