Learning Nowadays Consumer Behavior

In this book, it divides three parts. First part explains how environment factor influences consumer behavioral change and second part explains how consumer time pressure factor influences their consumption behavioral change and and third part explains how emotion factor influences consumer behavior and fourth part explains how social factor influence consumer behavior
In first part, it brings these questions: Can environment factors influence consumer behavior changes? How and why environment factors can influence consumer behavior changes suddenly? When the consumer is influenced to change his/her original consumption attitude or consumption choice desire, after the consumer can change his/her consumption desire later. Does how much serious of environment factors influence consumer behavior changes? Does it influence their consumption desire to change in any sudden time or identified time or in any consumption suitation ot identified consumption situation?
In second part, it brings these questions? Does environment factor depend other factors to influence consumer behavior changes?