In theory , a country ' s equilibrium interest rate should equal its marginal return on capital 从理论上讲,一国的平衡利率应该等于该国的资本边际收益率(资本收益的一种换算方式) 。
In theory , a country ' s [ color = blue ] equilibrium interest rate [ / color ] should equal its marginal return on capital 从理论上讲,一国的平衡利率应该等于该国的资本边际收益率(资本收益的一种换算方式) 。