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老师好，call convertible bond 包含call on bond 和 call on stock, 这两个Call之间有优先级吗？如果在同一时刻发生，哪个Call生效？
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The proportion of students who drink coffee at some point during a workshop is known to be 70%. A tutor collects a random sample of 100 students. What is the probability that 80 or more of these sampled students drank coffee during their most recent workshop? Use the normal approximation given by the CLT. 老师，这道题为什么是选0.015呢？
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- Q3：解析里面Team Purple’s conclusion (the externalities associated with human capital is the most important determinant in predicting the occurence of convergence) implies that the production function is a straight line, and is compatible with non-convergence.这段话中 externalities associated with human capital具体是什么？怎么得到the production function is a straight line这个结论呢？
- Effective duration和Effective convexiy的公式为什么不用modified duration和convexity的原本公式，而是和他们的近似的久期和突性的公式一致？
- Risk Budget and risk parity 第二道思考题，里面的Variance是不是完全是个冗余信息，给来误导的呀？
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- 为什么长期垄断竞争中 D和ATC相切
- Growth due to capital deepening 是αΔK/K还是ΔK/K
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