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Childhood unexpected trauma casts a lifelong shadow on subsequent financial behaviours. The existing literature has mainly investigated stock or bond market participation, and few scholars focus on insurance decisions. Our paper enriches previous studies by testing the impact of childhood famine exposure on household life insurance demand in middle and older age groups. Using CHARLS, we discover that householders exposed to the 1959–1961 Great Chinese Famine as children were more inclined to own life insurance policies and pay higher premiums. Specifically, respondents who experienced the famine between 0–2 or 7–17 years old highly promoted their life insurance demand, whereas no statistically significant effects were observed for preschool famine experience. Additionally, women and people with three or more children were more likely to be influenced by the famine. Finally, risk and time preference were effective mediation factors, both channelling around 5% of the relationship. [ABSTRACT FROM AUTHOR]

To realize integration, organization and reusability of knowledge related to COVID-19, an ontology for COVID-19 (CIDO-COVID-19) was constructed which extended the Coronavirus Infectious Disease Ontology (CIDO) by adding terms of COVID-19 related to symptoms, prevention, drugs and clinical domains. First, terms from the existing ontologies, literature, clinical guidelines and other resources about COVID-19 were merged. Then, the Stanford seven-step approach was used to define and organize the acquired terms. Finally, the CIDO-COVID-19 was built on basis of the terms mentioned above using Protégé. The CIDO-COVID-19 is a more comprehensive ontology for COVID-19, covering multiple areas in the domain of COVID-19, including disease, diagnosis, etiology, virus, transmission, symptom, treatment, drug and prevention.Clinical Relevance- The CIDO-COVID-19 covers multiple areas related to COVID-19, including diseases, diagnosis, etiology, virus, transmission, symptoms, treatment, drugs, prevention. Compared with the CIDO, it is expanded to cover drugs, prevention, and clinical domain. The definition of terms in CIDO-COVID-19 refers to biomedical ontologies, Clinical glossaries and clinical guidelines for COVID-19, which can provide clinicians with standard terminology in the clinical domain.