简述课程研究的意义。
参考答案:(1)有助于完善教育学的理论体系;(2)有助于指导教育教学工作,提高教育教学工作的质量。
道德风险是指( )。
A.个人的道德品质有问题而造成的对公众的危害
B.社会道德规范存在问题,不讲信用
C.金融和其他商品交易中的不道德行为
D.交易发生以后借款人从事贷款人所不希望看到的、风险更大的经营活动
Which of the following statements about the effects of interest rate volatility on value of bonds with embedded options is least accurate()
A. As yield volatility increases, the value of a put-able bond increases.
B. A put-able bond’s value is its straight bond value plus the value of the embedded put option.
C. A callable bond’s value is its straight bond value plus the value of the embedded call option.