marginal propensity to invest

例句：

1. 1.The marginal propensity to invest is a key factor in determining economic growth.
   边际投资倾向是决定经济增长的关键因素。
2. 2.The government's policy on fiscal stimulus has a significant impact on the marginal propensity to invest.
   政府关于财政刺激的政策对边际投资倾向有重大影响。
3. 3.The marginal propensity to invest is influenced by various factors, including interest rates and inflation.
   边际投资倾向受到利率和通货膨胀等多种因素的影响。