Several antecedents of consumer ethnocentrism have been identified by various studies.

In Turkey, patriotism was found to be the most important motive for consumer ethnocentrism.

Allocentrism and consumer ethnocentrism: The effects of social identity on purchase intention.

Consumer ethnocentrism is derived from the more general psychological concept of ethnocentrism.

Brodowsky suggests that understanding consumer ethnocentrism is critical in understanding country of origin effects.

Consumer ethnocentrism: A test of antecedents and moderators.

Balabanis et al. found that the determinants of consumer ethnocentrism may vary from country to country and culture to culture.

Consumer ethnocentrism gives individuals an understanding of what purchases are acceptable to the in-group, as well as feelings of identity and belonging.

In the more individualistic Czech Republic, feelings of nationalism based on a sense of superiority and dominance appeared to provide the most important contribution to consumer ethnocentrism.

Consumer ethnocentrism: Construction and validation of the CETSCALE.

Consumer ethnocentrism specifically refers to ethnocentric views held by consumers in one country, the in-group, towards products from another country, the out-group (Shimp & Sharma, 1987).

Brodowsky (1998) studied consumer ethnocentrism among car buyers in the U.S. and found a strong positive relationship between high ethnocentrism and country-based bias in the evaluation of automobiles.

Shimp and Sharma (1987) developed consumer ethnocentrism into a measurable construct through the use of the consumer ethnocentric tendencies scale (CETSCALE).

Huang et al., (2008) looked at consumer ethnocentrism (CET) and allocentrism among a group of Taiwanese participants in relation to Korean products sold in Taiwan versus national products.