Innovating for elderly people: the development of geront'innovations in the French silver economy. - Blandine Laperche; Sophie Boutillier; Faridah Djellal; Marc Ingham; Zeting Liu; Fabienne Picard; Sophie Reboud; Corinne Tanguy; Dimitri Uzunidis (Technol. Anal. Strateg. Manag., 2019)