Key points are not available for this paper at this time.
G. Udny Yule, An Investigation into the Causes of Changes in Pauperism in England, Chiefly During the Last Two Intercensal Decades (Part I.), Journal of the Royal Statistical Society, Vol. 62, No. 2 (Jun., 1899), pp. 249-295
George Yule (1899) studied this question.