Study collection by Jac0074, Tinycards Lover
These decks used to be on an amazing spaced-learning service called Tinycards. You can see the original folder in all its former glory here: https://web.archive.org/web/20200829090453mp_/https://tinycards.duolingo.com/collections/2QwH9YRN/macroeconomics-142 (but unfortunately only Test 3's deck was successfully archived and you can't study any of the decks from there).
Macroeconomics 142 (from TinyCards) is the study collection.
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