Carlini, Federico; Rubin, Mirco; Vallarino, Pierluigi - 2025 - This version: February 28, 2025
We propose a new rank-based test for the number of common primitive shocks, q, in large panel data. After estimating a VAR(1) model on r static factors extracted by principal component analysis, we estimate the number of common primitive shocks by testing the rank of the VAR residuals'...