File(s): File format is application/pdf https://files.stlouisfed.org/files/htdocs/publications/review/67/10/Determination_Oct1967.pdf

File(s): https://fraser.stlouisfed.org/scribd/?toc_id=500261&filepath=/docs/publications/frbslreview/rev_stls_196710.pdf&start_page=6#scribd-open