Some economists had speculated that Mr. Trichet would lower rates to foster growth.
Many economists speculate that a global carbon market could become the largest commodities market in the world.
In the present case, many other economists, of course, have speculated that a recession started during the summer.
Some economists speculate a much heavier tax than is generally proposed might be required.
Other economists speculate that this is especially true in two-income families that can get by on one paycheck for a while.
Three traders and an economist speculate on the dollar's future.
Some economists once speculated that Las Vegas would suffer if the rest of the country legalized gambling.
Nonetheless, many economists speculate that Britain's business community will eventually persuade Britain to join the common central bank and currency.
That led some economists and stock analysts to speculate that economic growth may be slowing.
Four economists speculate on what the Fed might do.