对自学的考生来说,听辅导课是必不可少的,在网课老师的指导下,学员自己去精读钻研,才能加深对CFA知识的理解,牢固掌握应考知识。
体验免费课程>> When an investor extrapolates past data from a small sample size into a forecast this is most likely indicative of:
A) the recency bias.
B) fear of regret.
C) hindsight bias
solution:A
解析:Herding is when investors trade in the same direction or in the same securities, and possibly even trade contrary to the information they have available to them. Two behavioral biases associated with herding are the availability bias (a.k.a. the recency bias or recency effect) and fear of regret. In the availability bias, recent information is given more importance because it is most vividly remembered. It is also referred to as the availability bias because it is based on data that are readily available, including small data samples or data that do not provide a complete picture. In the context of herding, the recent data or trend is extrapolated by investors into a forecast.
Regret is the feeling that an opportunity has passed by and is a hindsight bias. The investor looks back thinking they should have bought or sold a particular investment (note that in the availability bias, the investor most easily recalls the recent positive performance). Regret can lead investors to buy investments they wish they had purchased, which in turn fuels a trend-chasing effect. Chasing trends can lead to excessive trading, which in turn creates short-term trends.
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