This may be because Americans are becoming increasingly worried that we are losing our global advantage.
That may be because managers set limits on the proportion of assets accounted for by commodities.
ECONOMIST: The charge-sheet against commodity speculators is flimsy
But if students are studying less it may be because the demands on them are fewer.
Okay, deficit spending in American households may be because of the price of gasoline.
This may be because it sounds like it was recorded inside a plastic bag.
This may be because the Eid holiday has made contact with senior Iranian officials difficult.
That may be because it is August, and most decision-makers are on their holidays.
This error may be because the force gave the wrong information to the Home Office.
BBC: Doubts affect inconsistent police disability statistics
This may be because these kinds of programs aren't suited to the target audience.
Yet that may be because investors prefer immediacy of execution to marginal price improvement.
ECONOMIST: America��s leading stock exchanges need modernisation
In part, this may be because employers have reduced overtime during the recent economic slowdown.
This may be because many of the 30, 000 public-sector workers facing dismissal are near retirement anyway.
That may be because Mr Harper is more confident of his position at home.
That may be because he wished to leave the general some room for manoeuvre.
That may be because lower spending leads to lower interest rates and hence stimulates economic activity.
ECONOMIST: The OECD and fiscal policy: Words of warning | The
That may be because some of the immigrants come from societies where female employment levels are low.
This may be because men who undergo PSA testing tend to be more health-conscious, the researchers suggest.
This may be because obvious opportunities to create value are more likely to attract several would-be buyers.
If Murdoch came off as unusually elderly for a chief executive, that may be because, well, he is.
FORBES: Murdoch and Buffett Among the Oldest CEOs. Does It Matter?
But the bigger reason may be because only one character really fascinates Brooks, and that's Lisa the athlete.
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That may be because the strong dollar and low commodity prices helped keep inflation remarkably low in 1998.
This may be because economists divided into Keynesians and monetarists in the 1970s.
In part, that may be because the biggest banks have large credit-card portfolios where losses are quickly flushed out.
WSJ: HEARD ON THE STREET: Banking Whales Leave Minnows Behind
If cities are exacerbating, rather than mitigating, national ills, this may be because of a lack of urban planning.
If you are thinking about a career change, it may be because you are missing something in your life.
FORBES: Chucking It All For A Career Change? Here's Your To-Do List.
This may be because the readier availability of divorce in America has left fewer people trapped in loveless marriages.
But it may be because it demonstrates a determination to limit the budget.
ECONOMIST: The OECD and fiscal policy: Words of warning | The
If America's tax system asks a lot of its citizens, it may be because they ask a lot of it.
That may be because Italy is keen to push Guiliano Amato, its treasury minister (whom the Americans, too, would welcome).
It may be because of the Swedish way of life, but she says she has also seen the bigger picture.
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