做投资的人常会苦恼于两个问题:对行业、企业做评估时应该定量分析还是定性分析?如何在资本市场中正确择时?这两个问题的答案往往会使人更加苦恼,因为我们无法精确地评估,也难以有效地择时——但投资的魅力不就在于无法完全准确地预知吗?对于第一个问题,经济学家们更倾向于认为,我们通常无法对企业给出一个精确的 People who invest are often distressed on two questions: Should we make quantitative or qualitative analysis of the industries and enterprises? How to choose the right time in the capital market? The answers to these two questions often make people more distressed because we can not Accurate assessment, it is difficult to effectively timing - but the charm of investment is not that it can not be completely accurate prediction? For the first question, economists are more inclined to think that we usually can not give a precise business of