Search Results for Intrinsic Growth Rate

...Prithwis Das Gupta Abstract Since it is logically impossible to hold constant both male and female age-specific fertility rates, the intrinsic growth rates or the net reproduction rates for males and females, based on that assumption, are internally inconsistent. The interactive two-sex model...

...James C. McCann Abstract This paper describes a short method of computing the intrinsic growth rate which yields more accurate estimates than other methods which have similar information requirements. The procedure is recommended when hand or desk calculation of the intrinsic growth rate...

... of the intrinsic growth rate. One conclusion which follows from this analysis is that, contrary to what has been discovered by others in specific examples, the reproductive value function can possess a global maximum in the first one or two years of life, provided the intrinsic rate of population growth...

... regions and (b) the interregional migration rates. Furthermore, the analytic results are applied to an eight-region Canadian population system. Finally, it is claimed that the method introduced here can be easily applied to sensitivity analysis of both the intrinsic growth rate and the “stable” age...

...Samuel H. Preston Abstract The stable population model is used to establish formulas expressing the effects of mortality change on population growth rates, birth rates, and age composition. The change in the intrinsic growth rate is shown to be quite accurately approximated by the average decline...

... this “linkage method” to obtain closed-form expressions for the response of the intrinsic growth rate, birth rate, and age composition of a stable population to arbitrary marginal changes in its age patterns of fertility and mortality. It uses it also to obtain expressions for the transient response of the age...

...Thomas J. Espenshade; C. Y. Chan Abstract This paper illustrates a method of studying changes in vital rate schedules which have no effect on the intrinsic rate of population growth. These changes are described as compensating changes in fertility and mortality. The analysis proceeds from...

...S. Mitra Abstract It is well known that the intrinsic rates of growth derived separately for the males and females in a population, when one assumes the continuation of their respective mortality and fertility experiences, usually turn out to be different. Noting that the phenomenon of human...

... Peruvian birth rates, and Peruvian age-income profiles imply optimal rational savings rates far below those of the United States. 30 12 2010 © Population Association of America 1979 1979 Capital Stock Saving Rate Intrinsic Growth Rate Lifetime Income Labor Force Growth...

... growth. 13 1 2011 © Population Association of America 1968 1968 Latent Root Stable Population Intrinsic Rate Population Projection Elementary Approach References 1 Bernardelli , H. ( 1941 ). Population Waves . Journal of the Burma Research Society , XXXI , 1 – 18...

... turnover in some cities might fit into a larger strategy for realigning population growth and distribution nationally. 30 12 2010 © Population Association of America 1971 1971 Mobile Segment Rand Corporation Mobility Rate Population Redistribution Prior Move References Urban...

...) is the proba- bility of both being alive at age a and living in the south. The population in the southern region will eventually become stationary if rates of outmigration to the north are such that J: pJa)Pm(a)mEAa)da = 1, since J: e-rap(a)m(a)da = I is the general formula for determining the intrinsic growth...

... Demography . 2nd ed New York : Springer-Verlag . Keyfitz , N. , & Flieger , W. ( 1968 ). World Population: An Analysis of Vital Data . Chicago : University of Chicago Press . Preston , S. H. ( 1986 ). The Relation between Actual and Intrinsic Growth Rates . Population...

... , 28 , 159 – 73 . 10.2307/2061341 Preston , S.H. ( 1986 ). “The Relation Between Actual and Intrinsic Growth Rates.” . Population Studies , 40 , 343 – 51 . 10.1080/0032472031000142286 Preston , S.H. , Himes , C. , & Eggers , M. ( 1989 ). “Demographic...

... Population: An Analysis of Vital Data . Chicago : University of Chicago Press . Preston , Samuel H. ( 1986 ). The Relation between Actual and Intrinsic Growth Rates . Population Studies , 40 , 343 – 51 . 10.1080/0032472031000142286 Preston , Samuel H. , & Coale , Ansley J...

... ). An integrated system for demographic estimation from two censuses . Demography , 20 , 213 – 226 . 10.2307/2061236 Preston , S. H. ( 1986 ). The relation between actual and intrinsic growth rates . Population Studies , 40 , 343 – 351 . 10.1080/0032472031000142286 Preston , S. H...

... Nonrandom-Mating Two-Sex Model Whose Intrinsic Growth Rate Lies Between One-Sex Rates . Theoretical Population Biology , 9 , 46 – 57 . 10.1016/0040-5809(76)90034-4 Frederickson , A. G. ( 1971 ). A Mathematical Theory of Age Structure in Sexual Populations: Random Mating and Monogamous...

... in the popula- tion at t = 0, and the second integral accounts for the births to females them- selves born after t = O. Consider that at t= 0 the population is stable with m(x, t) = m (x). The intrinsic growth rate To is then the one real root of the equationf: e-Ml(x)m(x) dx = 1, (2) where ex and f3...

... processes (Harris, 1963; Goodman, 1968), B T tends to a limit when T tends to infinity whenever there is a positive intrinsic growth rate in the population. In fact, when the eigenvalue of M with the largest modulus, p, is larger than one, then both p-2 TCT and p-TeT will converge as T tends to infinity...

... value at age i, T is the mean age of women giving birth in the stable popu- lation, and r = InX is the intrinsic growth rate. The main idea that underlies the dy- namical behavior of these three models can be understood by considering the dis- crete version. In the Leslie model, the dy- namics...