File(s): File format is application/pdf https://files.stlouisfed.org/files/htdocs/publications/review/75/01/Unusual_Jan1975.pdf

File(s): https://fraser.stlouisfed.org/scribd/?toc_id=499494&filepath=/docs/publications/frbslreview/rev_stls_197501.pdf&start_page=9#scribd-open