But they are human, so giving them a financial incentive to seize people's property is dotty.
LSE's business in British shares, but the exchange would be dotty to bet on this.
If an exchange wants to keep all of its customers sweet, management by committee seems less dotty.
Personal favorites include Helena Bonham-Carter's banshee-like Bellatrix LeStrange, Gary Oldman's stalwart Sirius Black and Maggie Smith's dotty but redoubtable Minerva McGonagall.
Mr Panagariya patiently applies the simple truths of liberal economics to a country that still sabotages itself with some dotty regulations.
Most Main Street Americans understand this, and hard-core conservatives look a bit dotty for insisting their overheated vision is rooted in reality.
As a result, radical politics has become largely single-issue politics (Greenpeace and Friends of the Earth thrive) or else sectarian and fairly dotty.
This was dandy for the purchasers, but dotty of the sellers.
The Princess Royal became the first British royal to have a criminal record when her English bull terrier, Dotty, bit two children in Windsor Great Park.
The reason for this seemingly dotty result is that the errors from scientific sampling are easier to quantify (and minimise) than those arising from an imperfect head-count.
It would be delightful if Dotty brought something unbidden, of course, but if you want her to provide the melon balls, then tell her beforehand, so she doesn't let you down.
Ms. DOTTY REILLY(ph): Dotty Reilly from Warner, New Hampshire.
And muddying the whole picture is the tea-party movement, a tax revolt whose activists (some clever, some dotty, all angry) seem to loathe Bush-era free-spending Republicans as much as they hate Democrats.
In our collective cultural imagination, however, Oxbridge means the dreaming spires - a kind of massive Bullingdon Club where rich undergraduates still flaunt their boaters and blazers, and dotty dons get sozzled every night on the college port (while hoping to avoid the Inspector Morse-style murders in the quad).
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