The politics of any form of co-operation suggests starting with proposals where all participants perceive net gains. It also suggests that those issues which are not perceived of any net benefit, but as a cost of co-operation. Will be left to the last possible moment. Given the target dates set in Bogor, it is likely that some of the least tractable issues will not be addressed by the cerrently industrialized economies unit very close to 2010, while others may leave some of what they perceive to be the most entrenched obstacles to trade with or investment in those economies until 2020