The Cut-Off Grade and the Theory of Extraction

• 1 February 1988
• journal article
• Published by JSTOR in Canadian Journal of Economics/Revue canadienne d'économique
• Vol. 21  (1) , 146
• https://doi.org/10.2307/135216

Abstract

Keywords

• THEORY OF EXTRACTION
• CUT OFF GRADE
• GRADE AND THE THEORY