Organophosphate esters (OPEs) in the environment have been the focus of increasing attention due to their ubiquity and potential toxicity. However, there is little information on the occurrence and characteristics of OPEs in rural areas, especially those with cold year-round temperatures and...

We study potential alliance formation among three competing firms with asymmetric capacity: One large firm has ample capacity, and two small firms have limited capacity. Each firm can either operate independently or form an alliance with another firm. Due to antitrust laws, an alliance of all...