Inflation is the primary determinant of a country's living standards.()
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The marginal rate of substitution between goods A and B measures the price of A relative to the price of B.()
Higher levels of human capital are correlated with higher earnings because firms are
Although regulation and corrective taxes are both capable of reducing pollution, regulation accomplishes this goal more efficiently.()
下列作家是唐宋散文八大家中的四位,其中属于唐朝的一位是()。
A. 韩愈
B. 欧阳修
C. 苏洵
D. 王安石