Analyzing substitute products with similar attributes that customers consider during the buying decision is a method of defining a market using a ________.

A) generic competition method
B) product attribution method
C) demand-side perspective
D) supply-side perspective

Analyzing substitute products with similar attributes that customers consider during the buying decision is a demand-side perspective. This helps to define the market and understand customer preferences and needs. The generic competition method looks at all competitors in a market, the product attribution method looks at the features of a specific product, and the supply-side perspective focuses on the production and distribution of goods and services.