Initial Return

Tag: decision making

  • Mean-variance optimization

    Mean-variance optimization

    in ,

    According to modern portfolio theory, investors are concerned about the “mean” and “variance” of asset returns, where the former captures the “centrality” and the latter the “spread” (or “riskiness”) of potential returns. As such, investors engage in mean-variance optimization. That is, they seek the portfolios that offer the best tradeoff between risk and return. In…

  • Risk preferences: What’s the opposite of risk averse?

    Risk preferences: What’s the opposite of risk averse?

    in

    As humans, we have a natural tendency to avoid taking risks when we can, a notion that we refer to as risk aversion. Specifically, when faced with a choice between a safe payoff and a risky one, we’d opt for the latter only if it entails a sufficient risk premium, which is our reward for…

  • Risk aversion coefficient – meaning and formula

    Risk aversion coefficient – meaning and formula

    in ,

    When we discussed investors’ risk preferences, we distinguished between risk-averse, risk-neutral, and risk-seeking behavior. We also explained that risk-averse investors expect compensation for bearing risk, which is called a risk premium. But, how do measure a person’s level of risk aversion? The answer is the risk aversion coefficient. It quantifies the degree to which an…