https://phys.org/news/2018-07-recycling-real-competitive-economic-advantages.html

"Because you become your own supplier—you sell your products and you collect them and you recycle them—it gives you your own source of raw materials," said Gilvan C. "Gil" Souza, the Ming Mei Chair in Business and professor of operations management at the Kelley School of Business. "It insulates you from the volatility of the market, at least partially. You're still buying some portion of your raw materials from the commodity market, which is volatile, but if that's a smaller and smaller portion, then that's a significant benefit."

Souza and his co-author, Gal Raz, associate professor of operations management and sustainability at the Ivey Business School at Western University in Canada, compared efforts by two companies. Sandvik Tooling recycles tungsten metal inserts collected from its customers, while ISCAR acquires its supply on the open market.