课上讲发展中国家进行干预更加有效，那为啥不选C呢？另外B关于持续性这点在讲义哪里讲到了？

NO.PZ2018091706000057问题如下 If the emerging market country usecapitcontrolsinstea this approawoulA.leto a lessinpennt monetary poliB.more likely tosucceewhen capitflows are less persistent C.require ththeratio of foreign exchange reserves to FX market turnover high Althoughthe empiricevinis mixe to a large extent the relativesuccess ofcapitcontrols pen on the magnitu anpersistenof the capitalinflowsththe policymakers are trying to resist (the less persistent, the highertheeffectiveness). A successful capitcontrol politen to increase, notcrease,monetary poliinpennce. a regulatory measure, capitalcontrols not penirectly on the level of foreign exchange reserves. 解析尽管经验证据好坏参半，但在很大程度上，资本管控的有效力取决于政策制定者试图抵御的资本流入的规模和持续性(持续性越弱，有效性越高)。所以B正确。一个成功的资本管控政策倾向于增加而不是减少货币政策的独立性。所以A错误。作为一项监管措施，资本管制并不直接取决于外汇储备水平。所以C错误。 在讨论effectiveness时说发展中国家干预更有效就是因为外汇储备相对于交易量更充足，那c为什么不对呢？

NO.PZ2018091706000057 问题如下 If the emerging market country usecapitcontrolsinstea this approawoul A.leto a lessinpennt monetary poli B.more likely tosucceewhen capitflows are less persistent C.require ththeratio of foreign exchange reserves to FX market turnover high Althoughthe empiricevinis mixe to a large extent the relativesuccess ofcapitcontrols pen on the magnitu anpersistenof the capitalinflowsththe policymakers are trying to resist (the less persistent, the highertheeffectiveness). A successful capitcontrol politen to increase, notcrease,monetary poliinpennce. a regulatory measure, capitalcontrols not penirectly on the level of foreign exchange reserves. 解析尽管经验证据好坏参半，但在很大程度上，资本管控的有效力取决于政策制定者试图抵御的资本流入的规模和持续性(持续性越弱，有效性越高)。所以B正确。一个成功的资本管控政策倾向于增加而不是减少货币政策的独立性。所以A错误。作为一项监管措施，资本管制并不直接取决于外汇储备水平。所以C错误。 老师，请问capitcontrol和货币政策独不独立有什么关系呀，A怎么理解呢？货币政策独不独立怎么看呢？

NO.PZ2018091706000057 问题如下 If the emerging market country usecapitcontrolsinstea this approawoul A.leto a lessinpennt monetary poli B.more likely tosucceewhen capitflows are less persistent C.require ththeratio of foreign exchange reserves to FX market turnover high Althoughthe empiricevinis mixe to a large extent the relativesuccess ofcapitcontrols pen on the magnitu anpersistenof the capitalinflowsththe policymakers are trying to resist (the less persistent, the highertheeffectiveness). A successful capitcontrol politen to increase, notcrease,monetary poliinpennce. a regulatory measure, capitalcontrols not penirectly on the level of foreign exchange reserves. 解析尽管经验证据好坏参半，但在很大程度上，资本管控的有效力取决于政策制定者试图抵御的资本流入的规模和持续性(持续性越弱，有效性越高)。所以B正确。一个成功的资本管控政策倾向于增加而不是减少货币政策的独立性。所以A错误。作为一项监管措施，资本管制并不直接取决于外汇储备水平。所以C错误。 老师，这道题考的什么知识点？麻烦您帮忙给下，ABC～

NO.PZ2018091706000057问题如下 If the emerging market country usecapitcontrolsinstea this approawoulA.leto a lessinpennt monetary poliB.more likely tosucceewhen capitflows are less persistent C.require ththeratio of foreign exchange reserves to FX market turnover high Althoughthe empiricevinis mixe to a large extent the relativesuccess ofcapitcontrols pen on the magnitu anpersistenof the capitalinflowsththe policymakers are trying to resist (the less persistent, the highertheeffectiveness). A successful capitcontrol politen to increase, notcrease,monetary poliinpennce. a regulatory measure, capitalcontrols not penirectly on the level of foreign exchange reserves. 解析尽管经验证据好坏参半，但在很大程度上，资本管控的有效力取决于政策制定者试图抵御的资本流入的规模和持续性(持续性越弱，有效性越高)。所以B正确。一个成功的资本管控政策倾向于增加而不是减少货币政策的独立性。所以A错误。作为一项监管措施，资本管制并不直接取决于外汇储备水平。所以C错误。 请问FXmarket是啥？

NO.PZ2018091706000057问题如下 If the emerging market country usecapitcontrolsinstea this approawoulA.leto a lessinpennt monetary poliB.more likely tosucceewhen capitflows are less persistent C.require ththeratio of foreign exchange reserves to FX market turnover high Althoughthe empiricevinis mixe to a large extent the relativesuccess ofcapitcontrols pen on the magnitu anpersistenof the capitalinflowsththe policymakers are trying to resist (the less persistent, the highertheeffectiveness). A successful capitcontrol politen to increase, notcrease,monetary poliinpennce. a regulatory measure, capitalcontrols not penirectly on the level of foreign exchange reserves. 解析尽管经验证据好坏参半，但在很大程度上，资本管控的有效力取决于政策制定者试图抵御的资本流入的规模和持续性(持续性越弱，有效性越高)。所以B正确。一个成功的资本管控政策倾向于增加而不是减少货币政策的独立性。所以A错误。作为一项监管措施，资本管制并不直接取决于外汇储备水平。所以C错误。 C为什么是错误的一个新兴国家如果想进行资本管制不是需要在外汇市场上做托买入卖出外汇储备吗？储备不足就无法保证长期维持资本管制，那就是取决于外汇储备的量 那为什么c错误？