NEW HAVEN, Connecticut — The future of the housing boom, and the possible financial repercussions of a substantial price decline in coming years, are a matter of mounting concern among governments around the world.

I learned this firsthand while attending this year's Jackson Hole Symposium in the wilderness of Wyoming, where, ironically, there are almost no homes to buy. The howls of coyotes and bugling of elk rang out at night. But, by day, everyone was talking about real estate.

This conference has grown to be a major international event for government monetary policymakers, with governors or deputy governors of 34 central banks attending this year. Roughly two-thirds of these countries have had dramatic housing booms since 2000, most of which appear to be continuing, at least for the time being. But there was no consensus on the longer-run outlook for home prices.