现在在看英文文献,有篇文章里一直在提ex post和ex ante,举例子的时候提到了“In a related paper (Aivazian et al., 2005b), they show that after controlling for leverage, debt maturity also has a negative impact upon investment ex post.”这个事前和事后到底指的是什么啊?
Aivazian(2005):Debt Maturity Structure and Firm Investment


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