问题如下图：
选项：
A. 
B. 
C. 
解释：
为什么是G-T 而不是T-G ,G-T若大于0也是财政赤字吗？
NO.PZ2016010802000094 问题如下 Equality between aggregate expenture anaggregate output implies ththe government’s fiscficit must equal: A.Private saving – Investment –Net exports. B.Private saving – Investment + Net exports. C.Investment – Private saving + Net exports. is correct.The funmentrelationship among saving, investment, the fiscbalance, anthe tra balanis S = I + (G – T) + (X – M). This form of the relationship shows thprivate saving must funinvestment expentures, the government fiscbalance, annet exports (= net capitoutflows). Rearranging gives G – T = (S – I) – X – M). The government’s fiscficit (G – T) must equto the private sector’s saving/investment balan(S – I) minus net exports.考点 支出法与收入法解析一国G可以通过支出法表示 Y=C+I+G+X-M，也可以通过收入法表示 Y=C+S+T ，将上述两者联立，可得 G-T=S-I-NX 老师您好，公式推导可以理解，想请教一下如何理解这个公式。G – T = (S – I) – （X – M)财政赤字 = 私人部门净储蓄 - 净出口。我的理解是财政赤字政府花的钱私人部门净储蓄国内 私人部门赚的钱净出口海外 私人部门赚的钱如果“政府花的钱（财政赤字）=经济体赚的钱”的话，那可以得出“ 财政赤字 = 国内储蓄 +国外赚的钱” ，这样理解的话，符号不一致了。请问老师我的思维哪里出错了，谢谢老师！
NO.PZ2016010802000094问题如下Equality between aggregate expenture anaggregate output implies ththe government’s fiscficit must equal:A.Private saving – Investment –Net exports.B.Private saving – Investment + Net exports.C.Investment – Private saving + Net exports.is correct.The funmentrelationship among saving, investment, the fiscbalance, anthe tra balanis S = I + (G – T) + (X – M). This form of the relationship shows thprivate saving must funinvestment expentures, the government fiscbalance, annet exports (= net capitoutflows). Rearranging gives G – T = (S – I) – X – M). The government’s fiscficit (G – T) must equto the private sector’s saving/investment balan(S – I) minus net exports.考点 支出法与收入法解析一国G可以通过支出法表示 Y=C+I+G+X-M，也可以通过收入法表示 Y=C+S+T ，将上述两者联立，可得 G-T=S-I-NX为什么题目给了一个前提Equality between aggregate expenture anaggregate
NO.PZ2016010802000094问题如下Equality between aggregate expenture anaggregate output implies ththe government’s fiscficit must equal: A.Private saving – Investment –Net exports. B.Private saving – Investment + Net exports. C.Investment – Private saving + Net exports. is correct.The funmentrelationship among saving, investment, the fiscbalance, anthe tra balanis S = I + (G – T) + (X – M). This form of the relationship shows thprivate saving must funinvestment expentures, the government fiscbalance, annet exports (= net capitoutflows). Rearranging gives G – T = (S – I) – X – M). The government’s fiscficit (G – T) must equto the private sector’s saving/investment balan(S – I) minus net exports.考点 支出法与收入法解析一国G可以通过支出法表示 Y=C+I+G+X-M，也可以通过收入法表示 Y=C+S+T ，将上述两者联立，可得 G-T=S-I-NX为什么价格上涨，对货币的需求会增加，这里面的逻辑是什么，为什么不是盒商品一样，需求是下降的
NO.PZ2016010802000094 在R10讲义上哪里讲过？做了笔记，但是没找到。
您好，Fiscficit为什么一定写作G-T呢？ 如果写作T-G的话那么财政赤字可写作(T-G)=I+(X-M)- S也即选答案我理解财政是否赤字是看T和G谁大，而不是看谁写在前面吧？ 所以如果是写作T-G的这种形式的话为什么不选C呢？
