Under a hire-purchase agreement, the goods______.A、remain the property of the hi

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问题 Under a hire-purchase agreement, the goods______.

选项 A、remain the property of the hire-purchase company until the agreed number of payments have been made
B、legally belong to the hirer once the first payment has been made
C、always remain the property of the hire-purchase company
D、legally belong to the hirer after one-third of the hire-purchase price has been paid

答案 A

解析答案为C项。convexity“凸性”，指收益率变化l％所引起的久期的变化。凸性用来衡量债券价格收益率曲线的曲度。当两个债券的久期相同时，它们的风险不一定相同，因为它们的凸性可能是不同的。在收益率增加相同单位时，凸性大的债券价格减少幅度较小；存收益率减少相同单位时，凸性大的债券价格增加幅度较大。因此，在久期相同的情况下，凸性大的债券其风险较小。在预期收益率上升时，应尽量减少债券价格(即资本收益)的下降幅度，选择凸性大，同时固定收益率(息票率)高的债券。这样，可使债券投资的总收益率尽可能高。故本题选C项。

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