Objective To study the willingness of the elderly to pay for smart elderly care in communities and its influencing factors,so as to promote the sustainable development of smart elderly care in communities.Methods Based on the micro survey data of 455 elderly people in C...MORE Objective To study the willingness of the elderly to pay for smart elderly care in communities and its influencing factors,so as to promote the sustainable development of smart elderly care in communities.Methods Based on the micro survey data of 455 elderly people in Changsha,the effect of socio-economic status on their...