| Sir William Petty - 1755 - 458 pages
...feldom exceeds 70, at which Term, Dr. Halley ends his Tables of the Valuation of Lives. The greatefl Difficulty that occurred to me in this Speculation,...being fo eafy, that by the Help of them, more can be perform'd in a Quarter of an Hour, than by any Method before extant, in a Quarter of a Year. Since... | |
| John Francis (of the Bank of England.) - 1853 - 382 pages
...to the valuation of several lives, " which was, however, happily overcome, the rules being so easy that, by the help of them, more can be performed in...than by any method before extant in a quarter of a year." It was first published in 1725 ; and finding thus from Halley that, for several years together... | |
| Anders Hald - 2005 - 611 pages
...defends his linear hypothesis, and about the value of joint-life annuities he states, "The greatest Difficulty that occurred to me in this Speculation, was to invent practical Rules that might easily be applied to the Valuation of several Lives; which however, was happily overcome, the Rules... | |
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