File(s): File format is application/pdf https://files.stlouisfed.org/files/htdocs/publications/review/70/03/Flexibility_Mar1970.pdf

File(s): https://fraser.stlouisfed.org/scribd/?toc_id=499285&filepath=/docs/publications/frbslreview/rev_stls_197003.pdf&start_page=10#scribd-open