Treynor, Jack (Economist)

Jack Treynor is an influential American economist and a key figure in the field of finance, known for developing the Treynor Ratio, a measure that evaluates an investment's performance by considering the return generated per unit of risk taken, specifically systematic risk. He emphasized the importance of assessing risk in portfolio management. Treynor's work contributes significantly to understanding market dynamics and investment strategies, highlighting how to achieve better returns by considering both risk and reward effectively. His insights continue to influence financial theory and investment practices today.