Kamal Jain, Vijay V. Vazirani, Yinyu Ye. Market equilibria for homothetic, quasi-concave utilities and economies of scale in production. In Proceedings of the Sixteenth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2005, Vancouver, British Columbia, Canada, January 23-25, 2005. pages 63-71, SIAM, 2005. [doi]
Abstract is missing.