什么是内在时滞与外在时滞？哪一种政策内在时滞更长—货币政策还是财政政策？哪一种政策外在时滞更长？为什么？

什么是内在时滞与外在时滞？哪一种政策内在时滞更长—货币政策还是财政政策？哪一种政策外在时滞更长？为什么？

  What are the inside lag and the outside lag？ Which has the longer inside lag-monetary or fiscal policy？ Which has the longer outside lag？ Why？