Published Classic Published Dec 2025Determinacy and Large-Scale Solutions in the Sequence SpaceAdrien Auclert · Evan Majic · Matthew Rognlie · Ludwig StraubAuclert, Majic, Rognlie, and Straub show that the sequence-space Jacobians used to solve macro models with rich heterogeneity have a special "quasi-Toeplitz" mathematical structure, which yields a …