The reality that these types of programs have rarely had a significant impact on resolving territorial disputes has not appeared to daunt proponents of the shared economic venture as path to peace approach. These programs have generally had a marginal effect as conflicts have either endured in spite of these programs, or more frequently these programs have failed to get off the ground because the conflict and rancor between the groups. It is clear that, for example, joint Palestinian-Israeli tourism ventures could generate needed income, or cooperation liberalized trade zones involving Armenia, Azerbaijan and Nagorno-Karabakh would help the economy of the South Caucasus, but even though the west supports programs to do these types of things, the underlying problems are more enduring. The China-Taiwan case is an interesting example of a conflict where trade has expanded substantially in recent years, but the tensions between the two polities remains quite strong with both sides retaining strong militaries and the threat of war breaking out no less significant, despite the economic ties