Some problems in determining the number of acceptors needed in a family planning programme to achieve a specified reduction in the birth rate

Chandrasekaran, C.; Murty, D.V.; Srinivasan, K.

Population Studies 25(2): 303-308

1971


ISSN/ISBN: 0032-4728
PMID: 22070114
DOI: 10.1080/00324728.1971.10405805
Document Number: 500121
Abstract The paper attempts to revive professional interest in a problem originally considered by Lee and Isbister and which has assumed added importance recently because of the increasing number of national family planning programmes that are being instituted, which require the determination of the number of acceptors needed in a family planning programme in order to achieve a specified reduction in the birth rate. The publication of subsequent papers on births averted by programmes, notably by Potter and Wolfers, each of whom had made some criticisms of the paper by Lee and Isbister, has tended to obscure the differences in the nature between the problem raised by Lee and Isbister, and that discussedby Potter or Wolfers. The paper tries to bring out these differences and points out one of the limitations of the estimates of births averted obtained by using either Potter's or Wolfers's methods, viz. the inability to determine the time period to which the birth reduction refers, thereby further complicating the issues involved in assessing the social and economic implications of births averted by a family planning programme. The paper also points out some of the unrecognizedtechnical considerations which arise in dealingwith the 'target-setting' problem raised by Lee and Isbister and suggeststhat stochasticmodel studies might offera clue for evolving practical methods for tackling this problem.

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