When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Robert Murphey, Panos M. Pardalos. For if not, a cooperative system could always be modeled as a single entity. Cooperative systems may involve task sharing and can consist of heterogeneous entities.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.