Table 1.

Classification and summary according to product category.

Product Category	Region	Consumer Theory	Key Words
Food	China; Italy; Germany; Malaysia; Australia; Canada; European Union; Korea; Romania	TPB; VAB; TPB; ABC	Face consciousness, Group conformity, Trust; Benefit type, Product quality, Green self-identity, Pollution, Food neophobia, Food technology neophobia, Origin, Health orientation, Sensory appeal, Value, Satisfaction, Perceived power, Perceived wealth, Past behavior, Price premium, Eco-label, Availability
Vehicles	Brazil; Germany; China; America; Japan	VAB; TRA	Attributes of vehicles, Environment performance, Range confidence, Price, Self-expressive benefits, Perceived value, Climate and geographical features, Social network, Policy incentives, Pollution identity, Status motivation, Cultural values,
Clothing	Germany; Korea; Italy; America; Britain; India;	VAB; VBN; TRA	Values, Fashion consciousness, Price sensitivity, Social norm, Fashion brand, Beliefs, Social media, Peer influence, Self-expressiveness
Housing	Australia; China	TPB	Green consumer identity, Anchoring price, Social norm, Values, Risk, Socio-demographics, Public information
Furniture	China; Brazil	TPB	Environmental consciousness, Physical health concern, Past experience, Perceived value, Price elasticity, Attributes of products, Socio-demographics
Household Appliance	Malaysia	TPB	Environmental concern; Environmental knowledge; Moral norm, Socio-demographics, Trust in environment
Others (Skincare, Bioplastic products, Green energy)	China; America; India	TPB	Country of origin, Price sensitivity, Green self-identity, Self-congruity, Green perceived value