APEC-wide regional trade agreement (RTA much like the proposed FTAAP According to this view, the actions of APEC- via the IAPs, CAPs, model measures, and the various committee reports form a commonality of perspective on issues, thereby permitting some members to conclude limited BTAs. However, there is also a vicw that sees ASEAN's growing nctwork is FTAs as a more likely base than APEC for the creation of a Asian RTA. In either case, the idea that over time a network of BTAs will form the basis for the creation of an Asian RTA. However, other experts view the proliferation of BTAs as forming a barrier to trade and investment liberalization. As described by one scholar, "The resulting web off agreements and negotiations is fragmented, uncoordinated, and uneven in content and coverage Because many As are politically (not economically) motivated, the emerging B generally suffer from several problems WTO-incompatibility: narrow sector focus; discriminatory rules of origin (Roos) that make future amalgamation of the BTAs nearly impossible. As one expert describes it: