±ß¼Ê½ø¿ÚÇãÏò_ʲôÊDZ߼ʽø¿ÚÇãÏò
·¢²¼Ê±¼ä£º
À´Ô´£º
ÈË´ó¾¼ÃÂÛ̳
±ß¼Ê½ø¿ÚÇãÏò_ʲôÊDZ߼ʽø¿ÚÇãÏò£º±ß¼Ê½ø¿ÚÇãÏò_ʲôÊDZ߼ʽø¿ÚÇãÏò£º±ß¼Ê½ø¿ÚÇãÏò_ʲôÊDZ߼ʽø¿ÚÇãÏò
±ß¼Ê½ø¿ÚÇãÏò(Marginal propensity to import MPM»òMPI£¬Ò»°ãËõдm)ÓÖ³ÆΪ½ø¿ÚÇãÏò£¬Ö¸µÄÊǹúÃñÊÕÈëYÔö¼ÓÒ»¸öµ¥Î»µ¼Ö½ø¿ÚMÔö¼ÓµÄÊýÁ¿£¬ÒÔµ¼ÊýÐÎʽ±íʾҲ¾ÍÊÇm=dM/dY¡£¼òµ¥µØ˵£¬Ä³¸ö¹ú¼ÒµÄ±ß¼Ê½ø¿ÚÇãÏòÔ½¸ß£¬¸Ã¹úµÄÈËÃñÊÕÈëÔö¼Óʱ£¬¾ÍÔ½ÇãÏòÓÚ½ø¿Ú¹úÍâ²úÆ·¡£
±ß¼Ê½ø¿ÚÇãÏò¿ÉÒÔ±íʾΪ½ø¿ÚÐèÇóµÄÊÕÈ뵯ÐÔ(dM/M)*(Y/dY)Ó뾼ÿª·Å³Ì¶ÈM/YµÄ³Ë»ý¡£Òò´Ë£¬½ø¿ÚÐèÇóµÄÊÕÈ뵯ÐÔÔ½´ó£¬¾¼ÃµÄ¿ª·Å³Ì¶ÈÔ½¸ß£¬±ß¼Ê½ø¿ÚÇãÏò¾ÍÔ½¸ß¡£
±ß¼Ê½ø¿ÚÇãÏòÊǹú¼ÊóÒ×ÀíÂۺ͹ú¼Ê½ðÈÚÀíÂÛÖеÄÒ»¸öÖØÒªµÄ¸ÅÄî¡£±ß¼Ê½ø¿ÚÇãÏò´ó£¬Ôòÿһµ¥Î»Ôö¹úÃñÊÕÈëÖÐÓÃÓÚ½ø¿ÚµÄ±ÈÖش󣬳ËÊýЧӦ¶ÔÓÚ¾¼ÃµÄ´Ì¼¤×÷Óþͻá½ÏС£¬·´Ö®Ôò½Ï´ó¡£ÓÉÓÚGDPÿÔö¼ÓÒ»ÃÀÔª¶øʹµÃ½ø¿ÚÔö¼ÓµÄÃÀÔªÊý¶î¡£