Product obsolescence and its relationship with product lifetime: An empirical case study of consumer appliances in Japan

A precise understanding of product obsolescence is fundamental for extending lifetimes and promoting a circular economy. Previous studies have revealed that various factors affect other than failure. However, very few quantitatively examined the relationships between these lifetime. Therefore, this study investigated relationship lifetime consumer appliances (digital cameras, microwaves, PCs) reasons their based on questionnaire survey to Japanese consumers. Device failure appeared be major reason all products. demand new functions or device characteristics was also significant digital regardless duration use, as well microwaves during first three years use. These results provide useful insights designers manufacturers aiming extend lifetimes.