Birth and the Intrinsic Rate of Natural Increase

  • Nathan Keyfitz
Part of the Springer Texts in Statistics book series (STS)


The stable age distribution of Chapter 4 supposed births growing at fixed rate r and subject to probability 1(a) of survivorship to age a. Various conclusions were reached by noting how the stable age distribution was affected by r, treated as an arbitrarily disposable parameter. Now we regard rate r not as arbitrary but as determined by the joint action of birth and death rates.


Characteristic Equation Life Table Intrinsic Rate Natural Increase Crude Death Rate 
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Copyright information

© Springer Science+Business Media New York 1985

Authors and Affiliations

  • Nathan Keyfitz
    • 1
  1. 1.IIASALaxenburgAustria

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