n****i
发帖数: 1772 | 1 很简单。
优点：
1). Low cost. Index fund的expense ratio 在0.2%, MFs的平均expense ration是1.
36%.
2). 简单。半年或一年看一次就行了。
3). turn over小，少交税。
缺点：
1). No way to out-perform, 扣掉cost, 你的回报比市场只小一点，很接近啦。依然
逃不掉市场崩溃的风险。想像
你买了index fund when nasdaq is at 6xxx.
2). a little bit extra small cost: index fund 要买掉被delisted的股票（价格在
跌），买如新加进来的股票（价格
高）
下面我要说的很重要啊，大家要记笔记了！
“Economists cite the efficient market theory as the fundamental premise
that justifies the creation of
the index funds. The theory states that fund managers an | m*****i
发帖数: 13 | 2 You guys have mixed theory and practice. The theoretical basis for index
fund is the separation theorem. Under certain assumptions, the optimal risky
portfolio for all investors are the same, which is the market portfolio.
The implication is that a single fund may satisfy many investors' needs.
Your view on EMH will determine your investment style. If you believe the
market is efficient (inefficient), you will choose to invest passively (
actively). There is no absolute right or wrong answer. De
【在 n****i 的大作中提到】
: 很简单。
: 优点：
: 1). Low cost. Index fund的expense ratio 在0.2%, MFs的平均expense ration是1.
: 36%.
: 2). 简单。半年或一年看一次就行了。
: 3). turn over小，少交税。
: 缺点：
: 1). No way to out-perform, 扣掉cost, 你的回报比市场只小一点，很接近啦。依然
: 逃不掉市场崩溃的风险。想像
: 你买了index fund when nasdaq is at 6xxx.
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