关于OX图，如果价格下跌5box size,画几个O？

layer method 自第三年起的折现率不用变么？谢谢

layer method 自第三年起的折现率不用变么？谢谢

layer method 自第三年起的折现率不用变么？谢谢

layer method 自第三年起的折现率不用变么？谢谢

layer method 自第三年起的折现率不用变么？谢谢

layer method 自第三年起的折现率不用变么？谢谢

请问大国和小国为什么是按对商品的需求量划分的？不应该是按照对商品的持有量划分的？

请问大国和小国为什么是按对商品的需求量划分的？不应该是按照对商品的持有量划分的？

老师，请问书本81页第二题答案的解释和题目有什么关系？有些不太明白？题目"concerned about whether the hedge fund’s long (positive) exposure to equities increases during turbulent market periods"而答案解释是"A conditional model can show whether hedge fund risk exposures to equities that are insignificant during calm periods become significant during turbulent market periods. During normal periods when equities are rising, the desired exposure to equities (S&P 500 Index) should be long (positive) to benefit from higher expected returns. However, during crisis periods when equities are falling sharply, the desired exposure to equities should be short (negative)"不太理解答案想要表达的是什么意思？和题目是什么关系？