Overdose
发表于 2025-3-30 11:51:55
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健谈的人
发表于 2025-3-30 15:37:37
e rational expectations are themselves time-invariant functions. The most remarkable phenomenon in stationary economic systems with expectational leads is the notion of an unbiased no-updating forecasting rule which yields the most precise forecasts in the sense that forecast errors vanish condition