跨期间排污权交易使得厂商可以更加灵活地选择削减污染的方式，在边际治理成本较小时，厂商可以更多的削减，以节约当期的排污权，并把它储......

Using the multidimensional poverty index(MPI),this paper measures the intertemporal change in poverty in China’s rural ......

In 2015,the Central Bank cut interest rates six times in a row.There are two main purposes.The first is to reduce the in......