MAP20170005230 Jen Yang, Chung The Impacts of persistent behaviour and cost-sharing policy on demand for outpatient visits by the elderly : evidence from Taiwan's National Health Insurance / Chung Jen Yang, Ying Che Tsai and Joseph J. Tien En: Geneva papers on risk and insurance : issues and practice. - Geneva : The Geneva Association, 1976- = ISSN 1018-5895. - 02/01/2017 Volumen 42 Número 1 - enero 2017 I. Title.