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جمعه ، 16 تیر 1396 ، 23:30

Tempo Effect of Childbearing and Adjusted Level of Fertility in Iran

Journal of Population Association of IranMohammadreza Boromandzadeh; Aliyar Ahmadi

Abstract

Although the demographic literature offers many measures of fertility, the total fertility rate (TFR) is now used more often than any other indicator. The TFR is defined as the average number of births a woman would have if she were to live through her reproductive years (ages 15– 49) bear children at each age at the rates observed in a particular year or period. It is a hypothetical measure because no real group of women has experienced or will necessarily experience these particular rates. But this measure is disturbed by some timing effects called Tempo effects - distortions due to changes in the timing of births. The conventional TFR can be considered to consist of a quantum and a tempo component. Quantum component of the TFR would have been observed in the absence of changes in the timing of childbearing during the period in which the TFR is measured. The tempo component equals the distortion that occurs due to timing changes. In this paper history and the methodology of the tempo and quantum effects of fertility is discussed and the methods to adjust the total fertility rate (TFR) are elaborated focusing on method presented by Bongaarts and Feeney (BF method 1998). Meanwhile the analyses of fertility rates in this duration (1996-2011) in Iran illustrate the necessity of employing tempo adjusted methods in measuring fertility. Journal of Population Association of Iran, 2015, 10(19): 143-163. Click here to get the paper.

آخرین بروز رسانی مطلب در جمعه ، 16 تیر 1396 ، 23:35
 

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روش‌های تحلیل جمعیّت‌شناختی: این کتاب توسّط سه تن از جمعیّت‌شناسان نامی علم جمعیّت‌شناسی یعنی فرحت یوسف، جو. ام. مارتین و دیوید ا. سوانسون در چهارده فصل به رشته‌ی تحریر درآمده و در سال 2014 توسّط انتشارات اسپرینگر چاپ و منتشر شده است. دکتر حاتم حسینی و میلاد بگی کتاب را به زبان فارسی برگرداندند. ترجمه‌ی فارسی کتاب در 460 صفحه و شمارگان 1000 نسخه توسّط مرکز نشر دانشگاه بوعلی سینا در تابستان 1396 چاپ و منتشر شد. مطالب این کتاب به شیوه‌­ای سازمان یافته است که اجازه می‌دهد تا خوانندگان از یک سطح مقدّماتی به روش‎های پیشرفته‎تر تحلیل­‌های جمعیّت‎شناختی حرکت کنند. این رویکرد با در نظرگرفتن این نکته است که ممکن است کاربران ...

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