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John Cochrane, an esteemed economist, examines the consistency of econometric and structural models in predicting market trends.
The models closely follow an AR(1) process, essentially reverting to 2% and 4% projections throughout various samples.
Cochrane's observation highlights the behavior of these advanced models, which despite their complexity, align closely with simpler autoregressive patterns. This raises questions about the inherent predictability and efficacy of sophisticated economic forecasting tools when aligned against simpler statistical approaches.