Subsidy policy selection of elderly care service projects under uncertain actual demand: a real options analysis based on China’s experience

Table 2 The relevant data from the CLHLS

Year (∆y ≈ 3)	Total valid samples	Living in nursing homes	Proportion (% → Q_t)	ω_i (n = 8)	\({\left({\omega}_i-\overline{\omega}\right)}^2\)
1998	9093	457	5.03	_	_
2000	11,199	784	7.00	0.39	0.14
2002	16,064	740	4.61	−0.34	0.13
2005	15,638	422	2.70	−0.41	0.19
2008	16,954	308	1.82	−0.33	0.12
2011	9638	207	2.15	0.18	0.03
2014	7020	198	2.82	0.31	0.09
2018	15,549	574	3.69	0.31	0.09

ISSN: 1471-2318