An essay to ascertain the value of leases and annuities for years and lives, and to estimate the chances of the duration of lives. Wherein are many observations on bills of mortality, etc / [Anon].

  • Weyman Lee
Date:
1737
Catalogue details

Licence: Public Domain Mark

Credit: An essay to ascertain the value of leases and annuities for years and lives, and to estimate the chances of the duration of lives. Wherein are many observations on bills of mortality, etc / [Anon]. Source: Wellcome Collection.

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    / [ 2 ] the prefent State of Things : And I am not fo fond of my own Productions as to imagine no Objection can or will be made to the Method I mean to offer : Thus far only I fhall go; I will propofe it with my Reafons to fupport it, and hope it will appear to come nearer the Mark than any now extant, or commonly made Ufe ol • and that, with fome few Additions and fuch Alterations as may make it fuit the particular Eftate in View, it will anfwer the Purpofes in¬ tended. The common Methods for computing the Value of Lcafes for L ives are, in my Judgment, much the moft erroneous, and therefore I mean to confider them more fpecially; and the Me¬ thod I propofe for that Purpofe, is by reducing them to Terms for Years, and by eftimating them as fuch. Now if this can be done within any tolerable Degree of Probability, kis certain the Value of them may be fo far known ; for the Value of T erms for Years may be computed to the Exadnefs of a fingle Shilling, if neceffary, at any given Rate of Intereft : And the Thing, I think, may be done as near the Truth as in a Matter of fo much Uncertainty can be expeded ^ and is to be done, by fuppofing fuch Leafes to have a Duration equal to the Term to which the given Life or Lives on an' even Chance are efti- mated to be equal: And then the Value of them likewife may be adjuffed, and known to a reafo- nable Degree of Probability. But when Leafes for Lives are converted into Terms for Years, or may be conlider’d as fuch, there