Federal Reserve Bank of San Francisco and Federal Reserve Bank of New York. "December 2007," Tech Pulse Index (December 2007). https://fraser.stlouisfed.org/title/6712/item/616351, accessed on December 7, 2025.
Federal Reserve Bank of San Francisco
Federal Reserve Bank of San Francisco and Federal Reserve Bank of New York. "December 2007," Tech Pulse Index (December 2007). https://fraser.stlouisfed.org/title/6712/item/616351, accessed on December 7, 2025.
Federal Reserve Bank of San Francisco