股市能预测宏观变量吗?

D. McMillan
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引用次数: 0

摘要

股市的走势应该反映对未来经济状况的预期,并引导宏观经济。然而,股票回报能提供这种预测能力的证据好坏参半。我们认为,这是因为股票回报是嘈杂的,并考虑了衍生预期回报的预测能力,以及市盈率、VIX和股票/债券回报的相关性。结果表明,预期股票收益和股票/债券收益相关性在月度和季度频率上对产出和消费增长以及通货膨胀具有预测能力。波动率指数在每月频率上对消费增长和通胀具有预测能力,而市盈率则预测未来期限结构的形态。结果表明,较高的当前预期回报与较高的未来产出和消费增长相一致,而更大的风险导致未来经济活动减少。结果是稳健的考虑结构断裂和替代变量。此外,预期回报提供的衰退预测明显比实现回报更准确。因此,虽然股票收益是一个弱预测指标,但预期收益和股票市场风险的替代代理确实显示了预测能力。这些信息为宏观经济提供了主导作用指标,揭示了金融市场与经济之间的联系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Does the Stock Market Predict Macro-Variables?
Movements in the stock market should reflect expectations regarding future economic conditions and lead the macroeconomy. However, evidence for stock returns providing such predictive power is mixed. We argue this arises as stock returns are noisy and consider the predictive ability of derived expected returns, as well as, the price-earnings ratio, VIX and the stock/bond return correlation. Results reveal that expected stock returns and the stock/bond return correlation exhibit predictive power for output and consumption growth and inflation at monthly and quarterly frequencies. The VIX has predictive power at the monthly frequency for consumption growth and inflation, while the price-earnings ratio predicts the shape of the future term structure. Results reveal that higher current expected returns are consistent with to higher future output and consumption growth, while greater risk results in lower future economic activity. The results are robust to considerations of structural breaks and alternative variables. Further, expected returns provides a noticeably more accurate recession prediction than realised returns. Thus, while stock returns are a weak predictor, expected returns and alternative proxies for stock market risk do reveal predictive power. Such information provides a leading role indicator for the macroeconomy and reveals links between financial markets and the economy.
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