单选题
Congress enacts a program to subsidize farmers in the Midwest with an expansive spending program of $30 billion. At the same time, Congress enacts a $30 billion tax increase. Which of the following best describes the impact on the economy?
A、
Lower growth due to the negative tax multiplier.
B、
Higher growth due to the net positive balanced budget multiplier.
C、
No effect on growth because the tax and spending multiplier effects offset.
【正确答案】
B
【答案解析】
[解析] 平衡预算乘数是指政府购买成本和政府税收同时按同一幅度增加或减少时对国民收入变动的影响。如果政府增加购买性成本和增加一笔与上述成本相同数额的税收时,政府预算仍属平衡,但国民收入会增加。此时,收入增加量恰好等于政府成本或税收额的增加量,或者说,平衡预算乘数为1。这是因为,政府预算BS等于税收T减去政府购买G和转移支付TR,即BS=T-TR-G。如果TR不变,则在预算平衡的情况下,有ΔBS=ΔT-ΔG=0,或ΔT=ΔG。因此,本题的正确选项为B。
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