United States. Federal Open Market Committee. "Meeting, December 15-16, 2008 : Memo: Notes on Issues Related to the Zero Lower Bound on Nominal Interest Rates,"
Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents
(December 15-16, 2008).
https://fraser.stlouisfed.org/title/677/item/23280, accessed on May 2, 2025.