@incollection{KayserLeininger2023, author = {Mark A. Kayser and Arndt Leininger}, title = {The Economy and Chancellor Approval in Germany: A Cautionary Tale about Data Vintages and Measurement}, booktitle = {Economics and Politics Revisited: Executive Approval and the New Calculus of Support}, editor = {Timothy Hellwig and Matthew Singer}, isbn = {9780192871664}, year = {2023}, }