text CaracasVE SELA 1993 monographic 16p. Defines rules of origin. Describes and analyzes alternative methods for determining origin. Analyzes the economics of rules of origin, and in particular the role these rules play in determining levels of protection in different markets within preferential trading areas. Also discusses rules of origin in the context of GATT. DC 3/7/00 M2LMGR 09.05.08 S464