Federal Reserve Bank of New York. "New York Fed Releases Reports about Negative Interest Rate Swap Spreads, Trends in Credit Basis Spreads, and the Fed's Pre-Crisis Monetary Policy Framework,"
Press Releases of the Federal Reserve Bank of New York
(October 1, 2018).
https://fraser.stlouisfed.org/title/7035/item/645470, accessed on May 13, 2025.