But now Dubai’s debt-driven splurge on flashy hotels and residential properties is not looking as stable as Abu Dhabi’s more stealthy oil-driven expansion, especially as a bursting of the property bubble and a crunch on credit are hurting financial activity in Dubai.

http://www.forbes.com/economy/2008/11/24/dubai-abu-dhabi-markets-econ-cx_ll_1224markets12.html