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| 风险均值（等风险贡献）投资组合模型× | 尾部风险度量（预期短缺、谱系、期望分位数）× | |
|---|---|---|
| 领域 | 金融学 | 金融学 |
| 方法族 | Regression model | Regression model |
| 起源年份≠ | 2010 | 1999 |
| 提出者≠ | Maillard, Roncalli & Teïletche (2010); popularised by Qian (2005) and Bridgewater All Weather | Artzner, Delbaen, Eber & Heath (coherent risk axioms); Acerbi & Tasche (Expected Shortfall) |
| 类型≠ | Portfolio weighting model (risk budgeting) | Coherent tail risk measure |
| 开创性文献≠ | Maillard, S., Roncalli, T. & Teïletche, J. (2010). The Properties of Equally Weighted Risk Contribution Portfolios. Journal of Portfolio Management, 36(4), 60–70. DOI ↗ | Artzner, P., Delbaen, F., Eber, J.-M. & Heath, D. (1999). Coherent Measures of Risk. Mathematical Finance, 9(3), 203–228. DOI ↗ |
| 别名≠ | equal risk contribution, ERC portfolio, risk budgeting, All Weather strategy | expected shortfall, conditional value at risk, CVaR, spectral risk measure |
| 相关≠ | 3 | 5 |
| 摘要≠ | Risk parity is a portfolio weighting model, formalised by Maillard, Roncalli and Teïletche (2010), in which every asset contributes an equal share of the total portfolio risk. It needs only the covariance (risk) structure of the assets and no forecast of expected returns, and it underpins Bridgewater's All Weather strategy. | Tail risk measures quantify the loss distribution beyond Value-at-Risk (VaR). Expected Shortfall — the expected loss given that VaR is exceeded — is the leading coherent risk measure, formalised by Artzner, Delbaen, Eber and Heath (1999) and shown to be coherent by Acerbi and Tasche (2002). Spectral and expectile-based measures generalise it. |
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