“is composed of products that have reasonable interchangeability for the purposes for which they are produced- — price, use and qualities considered.” SCFC ILC, Inc. v. Visa USA, Inc., 36 F.3d 958, 966 (10th Cir. 1994) (quoting United States v. E.I. du Pont de Nemours & Co., 351 U.S. 377, 404, 76 S.Ct. 994, 100 L.Ed. 1264 (1956)). And “[t]he geographic market is the narrowest market which is wide enough so that products from adjacent areas cannot compete on substantial parity with those included in the market.” Westman Comm’n Co. v. Hobart Int’l, Inc., 796 F.2d 1216, 1222 (10th Cir. 1986) (internal quotation marks omitted). Together these factors define a real economic market for purposes of antitrust analysis. See Fraser v. Major League Soccer, L.L.C., 284 F.3d 47, 68 (1st Cir. 2002) (<HOLDING>). In responding to Campus Villagers motion for
holding that it may be decided as a matter of law holding that although there may be some exceptions as a general matter a conspiracytomonopolize claim requires proof of a real economic market holding that trespass requires only proof of interference with right of possession of real property holding that the offense requires that the return be false as to a material matter holding that proof of relevant market is essential under  2