Methods for the Identification of Lexian, Poisson and Markovian Variations in the Secondary Sex Ratio

摘要: One of the problems arising in identification type process generating secondary sex ratio human and other populations is that 'spurious contagion'. A model presented which allows simultaneous estimation effects (i) variation biological predisposition couples to have children a particular sex, (ii) this with birth order, (iii) Markov association between sexes adjacent sibs as result utero interaction, (iv) socio-psychological limit families once they obtain desirable composition. Restricted forms allow one test for presence each these whilst controlling others. The applied data from United States Finland.