1.If the AS curve slope upward, actual output is below potential output. 如果AS曲线的斜率是向上的，真实的输出是在潜在输出的下面。

2.When all prices are fixed such that there is excess capacity in the economy, a higher income tax rate will generate a larger trade deficit. 当价格固定，生产能力过剩，较高的所得税将会造成很大的贸易差额。

3.When the equilibrium interest rate in financial markets falls, investment demand increase, leading to a rise output in the good market. 当在金融市场上的均衡利率下降，投资需求增加时，会使商品市场上的输出量增加。

4.A rise in the aggregate price level shiffts out the LM curve. 总的价格水平上升会使LM曲线向右移动。