Poot, J. and Siegers, J. (1998) “The Macroeconomics of Fertility in Small Open Economies: A Test of the Becker-Barro Model for the Netherlands and New Zealand”, School of Management Working Papers, pp. 1–37. Available at: https://ojs.wgtn.ac.nz/somwp/article/view/7241 (Accessed: 10 December 2025).