Granger causality check on winter AO vs September sea ice extent, extending Arctic-Sea-Ice-AO-Prediction. No significant link on its own, on a properly stationary series built around the 2007 break. A follow-up check confirms AO's original significance holds once persistence is controlled for.
Longitudinal firm-level AI adaptation signal infrastructure from public and commercial sources
Replication package for "Measuring Agricultural Reconstruction under Statistical System Failure: Evidence from Post-Conflict Azerbaijan"
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