https://www.sciencedirect.com/science/article/pii/S0022199617301411
https://www.ips-journal.eu/topics/economy-and-ecology/one-currency-to-rule-them-all-6933/
https://www.socialeurope.eu/germany-bows-to-keynes-again
https://cepr.org/system/files/publication-files/190449-geneva_26_the_art_and_science_of_patience_relative_prices_and_inflation.pdf