问题如下：
Wang made the following statements about the differences between investment-grade and high-yield bonds:
Statement 1: when the economy is in recession, high-yield bonds often tend to be more equity-like.
Statement 2: investment-grade bonds are more sensitive to the interest rate changes than high-yield bond.
Statement 3: for high-yield bond, credit risk is the most important consideration.
According to the information above, which of the following is correct、
选项：
A. Statement 1 and statement 2 are correct.
B. Statement 2 and statement 3 are correct.
C. All the statements are correct.
解释：
C is correct.
考点：High-yield bond和Investment-grade bond特性的比较
解析：三个Statements都是正确的，为原版书、讲义给出的结论。
请问第一条如何解释？经济不好high yield为什么equity like?