Fixed-effect saturation alone does not create weak identification; with classical measurement error, a t-statistic-based reliability threshold certifies when conventional inference remains valid.
, year 1973
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Fixed-Effect Saturation Is Not Weak Identification: Certifying Inference under Measurement Error
Fixed-effect saturation alone does not create weak identification; with classical measurement error, a t-statistic-based reliability threshold certifies when conventional inference remains valid.