Forecast density combinations of dynamic models and data driven portfolio strategies
动态模型与数据驱动投资组合策略的预测密度组合AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确组合美国行业收益的预测分布,并将其用于动态投资组合策略。
动态模型与数据驱动投资组合策略的预测密度组合AI 解读 ↓
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A dynamic asset-allocation model is specified in probabilistic terms as a combination of return distributions resulting from multiple pairs of dynamic models and portfolio strategies based on momentum patterns in US industry returns. The nonlinear state space representation of the model allows efficient and robust simulation-based Bayesian inference using a novel non-linear filter. Combination weights can be cross-correlated and correlated over time using feedback mechanisms. Diagnostic analysis gives insight into model and strategy misspecification. Empirical results show that a smaller flexible model-strategy combination performs better in terms of expected return and risk than a larger basic model-strategy combination. Dynamic patterns in combination weights and diagnostic learning provide useful signals for improved modeling and policy, in particular, from a risk-management perspective.