Sociologists applying a framework to the study of consumerism would primarily focus on how the capitalist economy has shifted from industrial-based to information-based.

Postmodern

Explanation:

 According to the given question, the postmodern framework is one of the type of method that is used for the studying the consumerism by using the critical thinking process of the business.

The main objective of the postmodern is that it focuses on the capitalist economy that is specifically shifted from the industrial to the information based.

In this basically used for describe about the various types of historical era and also the modernity of the consumerism. Therefore, Postmodern is the correct answer.      

a is the final ! : )