Paper referred by the article: The Effort Paradox: Effort Is Both Costly and Valued Michael Inzlicht Amitai Shenhav Christopher Y. Olivola PDF direct link:

Paper referred by the article: The Effort Paradox: Effort Is Both Costly and Valued Michael Inzlicht Amitai Shenhav Christopher Y. Olivola PDF direct link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6172040/pdf/nihms-989921.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6172040/pdf/nih... Page: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6172040/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6172040/ edit: fixed link. Thank you gpvos!