LIST OF FILES


1) supplemental material.txt (this file)

Note that the data used to build figures 4-6 are in tables A1-A3 in the Appendix.


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INSTRUCTIONS FOR ACCESSING DATA


A) Data for computing childlessness rates for Italy (figure 3 and elsewhere):

births by mother’s age and birth order:

1952-2012: Human Fertility Database website (access only previous online registration) http://www.humanfertility.org/ --> Italy --> Input data --> Births
2013-2015: Eurostat statistical database website http://ec.europa.eu/eurostat/data/database --> Population and social conditions --> Demography and migrations --> Fertility --> Live births by mother’s age and birth order (demo_fordagec) 	

women by age:

1952-2011: Istat I.Stat website http://dati.istat.it/ --> Inter censuses population
2012-2016: Istat I.Stat website http://dati.istat.it/ --> Population --> Resident population on 1st January


B) Microdata of Istat Labour Force Survey (Indagine sulle forze di lavoro)

Data can be accessed only upon formal request and after presenting a detailed research project at the Laboratorio per l’Analisi dei Dati ELEmentari (ADELE) of Istat (available in Istat offices in Rome, Florence, Milan, Naples, among others).
See http://www.istat.it/en/information/researchers/laboratory-for-elementary-data-a for more detailed information and application forms.


Data of Figure 2: Childlessness proportion in selected age groups and years.
Age	Group		Cohort	2004	2007	2010	2013
37–39	Treatment	1974–76	 	 	37.1	30.45
	Control		1971–73	 	35.9	29.7	 
	Placebo		1968–70	33.13	25.77	 	 
38–40	Treatment	1973–75	 	 	33.63	28.7
	Control		1970–72	 	32.32	28.3	 
	Placebo		1967–69	29.74	24.05	 	 
42–44	Treatment	1969–71	 	 	26.16	24.02
	Control		1966–68	 	23.39	22.53	 
	Placebo		1963–65	21.51	20.66	 	 

Source: Elaboration of the authors based on the Italian Labor Force Survey (LFS) data 2004-2013 accessed through the Laboratorio per l’Analisi dei Dati ELEmentari (ADELE) of Istat in Florence.