full domain risk theory

For a long time, there are two theoretical systems in risk measurement, they are full domain risk theory and asymmetric risk theory. In full domain risk theory, risk is defined as the uncertainty of returns.
長期以來，有關証券的風險度量存在著兩大理論躰系——全域風險理論和非對稱風險理論： 全域風險理論將風險定義爲收益的不確定性。