根据IS－LM模型，在下列情况下。利率、收入、消费和投资会发生什么变动？ a．中央银行增加货币供给。 b．政府增加

根据IS-LM模型，在下列情况下。利率、收入、消费和投资会发生什么变动？

1．中央银行增加货币供给。

2．政府增加税收。

3．政府等量地增加政府购买和税收。

According to the IS-LM model, what happens to the interest rate, income, consumption, and investment under the following circumstances？

1．The central bank increases the money supply.

2．The government increases taxes.

3．The government increases government purchases and taxes by equal amounts.