C选项说的push 和pull factor是什么意思？在哪里有提及？

NO.PZ2018091706000056 问题如下 The emerging market country is more likely to engage in sterilizentervention if its: A.inflation rate ishigh B.currenisunrvalue C.currenappreciationis causepush factors rather thpull factors Acountry woullikely choose sterilizeintervention if it ha highinflationrate, because unsterilizeintervention woula to the monetary baseanossibly increase inflationary pressures. B is incorrebecause anunrvaluecurrencyis likely to lessen the probability of intervention,sterilizeor unsterilize in response tocapitinflows. C is incorrectbecause both push anpull factors cleto bubblecontions, excessiveexchange rate appreciation, anthe unwantebuilup ofexcessive speculativepositions.解析如果一个国家的通胀率很高，它很可能会选择冲销干预，因为未冲销干预会增加货币供给量，从而增加通胀压力。A正确。B是不正确的，因为被低估的货币可能会降低干预的效用，无论是冲销的还是未冲销的干预。C是不正确的，因为push以及pull因素都可能导致泡沫状况、汇率过度升值，以及不必要的过度投机仓位。 可以一下为什么inflation高的时候用冲销干预吗 不理解这个传导机制 可否举一个例子 谢谢

NO.PZ2018091706000056 问题如下 The emerging market country is more likely to engage in sterilizentervention if its: A.inflation rate ishigh B.currenisunrvalue C.currenappreciationis causepush factors rather thpull factors Acountry woullikely choose sterilizeintervention if it ha highinflationrate, because unsterilizeintervention woula to the monetary baseanossibly increase inflationary pressures. B is incorrebecause anunrvaluecurrencyis likely to lessen the probability of intervention,sterilizeor unsterilize in response tocapitinflows. C is incorrectbecause both push anpull factors cleto bubblecontions, excessiveexchange rate appreciation, anthe unwantebuilup ofexcessive speculativepositions.解析如果一个国家的通胀率很高，它很可能会选择冲销干预，因为未冲销干预会增加货币供给量，从而增加通胀压力。A正确。B是不正确的，因为被低估的货币可能会降低干预的效用，无论是冲销的还是未冲销的干预。C是不正确的，因为push以及pull因素都可能导致泡沫状况、汇率过度升值，以及不必要的过度投机仓位。 请问冲销干预是什么意思呢

NO.PZ2018091706000056 问题如下 The emerging market country is more likely to engage in sterilizentervention if its: A.inflation rate ishigh B.currenisunrvalue C.currenappreciationis causepush factors rather thpull factors Acountry woullikely choose sterilizeintervention if it ha highinflationrate, because unsterilizeintervention woula to the monetary baseanossibly increase inflationary pressures. B is incorrebecause anunrvaluecurrencyis likely to lessen the probability of intervention,sterilizeor unsterilize in response tocapitinflows. C is incorrectbecause both push anpull factors cleto bubblecontions, excessiveexchange rate appreciation, anthe unwantebuilup ofexcessive speculativepositions.解析如果一个国家的通胀率很高，它很可能会选择冲销干预，因为未冲销干预会增加货币供给量，从而增加通胀压力。A正确。B是不正确的，因为被低估的货币可能会降低干预的效用，无论是冲销的还是未冲销的干预。C是不正确的，因为push以及pull因素都可能导致泡沫状况、汇率过度升值，以及不必要的过度投机仓位。 如题

NO.PZ2018091706000056问题如下 The emerging market country is more likely to engage in sterilizentervention if its: A.inflation rate ishigh B.currenisunrvalueC.currenappreciationis causepush factors rather thpull factors Acountry woullikely choose sterilizeintervention if it ha highinflationrate, because unsterilizeintervention woula to the monetary baseanossibly increase inflationary pressures. B is incorrebecause anunrvaluecurrencyis likely to lessen the probability of intervention,sterilizeor unsterilize in response tocapitinflows. C is incorrectbecause both push anpull factors cleto bubblecontions, excessiveexchange rate appreciation, anthe unwantebuilup ofexcessive speculativepositions.解析如果一个国家的通胀率很高，它很可能会选择冲销干预，因为未冲销干预会增加货币供给量，从而增加通胀压力。A正确。B是不正确的，因为被低估的货币可能会降低干预的效用，无论是冲销的还是未冲销的干预。C是不正确的，因为push以及pull因素都可能导致泡沫状况、汇率过度升值，以及不必要的过度投机仓位。 考察的知识点是什么？在讲义什么地方？