Daly, Mary C. (Mary Colleen) , Hobijn, Bart and Valletta, Robert G. "Memo: The Recent Evolution of the Natural Rate of Unemployment," in United States. Federal Open Market Committee. "Meeting, January 25-26, 2011," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (January 25-26, 2011) : 1-38. https://fraser.stlouisfed.org/title/677/item/22545/content/pdf/fomc20110117memo01/toc/525830 , accessed on March 19, 2024.