資本資產(chǎn)定價(jià)模型并非旨在描述投資者實(shí)際行為的實(shí)證理論，而是關(guān)于理性投資者應(yīng)如何行事的規(guī)范理論。
The novel is not just a mirror to the world, but a hammer with which to shape it.
"We are all patchwork, and so shapeless and diverse in composition that each bit, each moment, plays its own game."