File(s): https://fraser.stlouisfed.org/scribd/?toc_id=500158&filepath=/docs/publications/frbslreview/rev_stls_197512.pdf&start_page=18#scribd-open

File(s): File format is application/pdf https://files.stlouisfed.org/files/htdocs/publications/review/75/12/Origin_Dec1975.pdf