As more labor is allocated to industry, there is______.
A. diminishing return to capital
B. diminishing return to labor
C. increasing return to scale
D. increasing return to labor
男性，72岁，突发腹痛伴血尿，尿量50ml/24h，BUN21mmol/L，Cr402μmol/L，治疗后，尿量700ml/24h，BUN8mmol/L，Cr105μmol/L
A price ceiling______.
A. usually causes a shortage in a market
B. is a form. of self-regulation by a group of firms in a market
C. is set above the equilibrium price
D. usually results in the quantity supplied exceeding the quantity demanded
发行认股权证具有降低筹资成本、改善公司未来资本结构的好处，这与可转换证券筹资相似。不同之处在于认股权证的执行增加的是公司的负债。()
A. 正确
B. 错误
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