The Le Chatelier Principle in Linear Programming
An extended study of the Le Chatelier principle which determines a cheapest diet conforming to prescribed nutritional standards. The extension considered is the effect of an increased price of an ith food in the linear programming problem.
Samuelson, Paul Anthony, The Le Chatelier Principle in Linear Programming. Santa Monica, CA: RAND Corporation, 1949. https://www.rand.org/pubs/research_memoranda/RM210.html. Also available in print form.
Samuelson, Paul Anthony, The Le Chatelier Principle in Linear Programming, RAND Corporation, RM-210, 1949. As of January 12, 2023: https://www.rand.org/pubs/research_memoranda/RM210.html