Modern portfolio theory is the economic origin for the Prudent Investor Rule, and they are integrated, which would be studied in our trust investment legalization.

• 现代投资组合理论是美国新谨慎投资者规则的经济学渊源，后者融入了现代投资组合理论的精髓，值得我国在信托投资立法时借鉴。