: +49 (0)69 9566 33511, fax: +49 (0)69 709097 9000 presse@bundesbank.de, www.bundesbank.de Reproduction permitted only if source is stated. 4  Literature  Allen, Robert L. (1993). Irving Fisher - A Biography. Blackwell, Cambridge, Mass. Buch, Claudia M. (2021). Data sharing for better policy making. Introductory Statement – G20 DGI-2 Workshop on Data Sharing. Frankfurt a.M. Buch, Claudia M., and Benjamin Weigert (2021).
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