还是不是很明白为什么总需求上升

NO.PZ2023071902000013 问题如下 QuestionIf a government enhances its expenture on mestically procegoo using fun obtainefrom equivalent rise in taxes, the most likely impaon aggregate manwill be: A.cline. B.Unaffecte C.Surge. SolutionIncorrect. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.Incorrect. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.Correct. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.FiscPolicy• scritools of fiscpolicy, inclung their aantages ansaantages C正确的。当政府增加支出的幅度与增加税收的幅度相同时，总需求预计会上升。这是由于可支配收入中的边际消费倾向小于1，导致可支配收入每减少1美元，支出的减少较小(用“c”表示，边际消费倾向)。总支出的下降幅度将小于增税幅度的1 / c。这种额外的产出反过来又会通过乘数效应导致收入和产出的进一步增加。 比如，居民收入100元，那么只会拿出来40元消费。只有40元刺激经济。但如果政府把居民的这100元收走，然后政府用来开支，政府可以开支100元，这100元都可以刺激经济。这就是财政乘数。如果这样，那么政府增加税率更能刺激经济？ 这与常识不是反的吗？正常理解是减少税率才能拉动消费刺激经济？

NO.PZ2023071902000013 问题如下 QuestionIf a government enhances its expenture on mestically procegoo using fun obtainefrom equivalent rise in taxes, the most likely impaon aggregate manwill be: A.cline. B.Unaffecte C.Surge. SolutionIncorrect. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.Incorrect. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.Correct. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.FiscPolicy• scritools of fiscpolicy, inclung their aantages ansaantages C正确的。当政府增加支出的幅度与增加税收的幅度相同时，总需求预计会上升。这是由于可支配收入中的边际消费倾向小于1，导致可支配收入每减少1美元，支出的减少较小(用“c”表示，边际消费倾向)。总支出的下降幅度将小于增税幅度的1 / c。这种额外的产出反过来又会通过乘数效应导致收入和产出的进一步增加。 有一个现在刺激消费和将来交税同性质的理论，怎么不用在这里，应该选不变嘛

NO.PZ2023071902000013问题如下 QuestionIf a government enhances its expenture on mestically procegoo using fun obtainefrom equivalent rise in taxes, the most likely impaon aggregate manwill be: A.cline.B.UnaffecteC.Surge. SolutionIncorrect. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.Incorrect. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.Correct. When the government raises spenng the same amount it increases taxes, aggregate manis expecteto rise. This is e to the marginpropensity to spenout of sposable income being less th1, resulting in a smaller rection in spenng (represente\"c,\" the marginpropensity to consume) for eallof sposable income crease. Aggregate spenng will fall less ththe trise a factor of \"c.\" This aitionoutput will, in turn, leto further increases in income anoutput through the multiplier effect.FiscPolicy• scritools of fiscpolicy, inclung their aantages ansaantages 能否一下解析，没有理解