How can Decoy Effect make you behave irrationally?
The Decoy effect is a very common ploy made use of by marketeers to trigger our irrationality while making choices. This has been wonderfully explained by Dan Ariely in his book Predictably Irrational.
This book explores different facets wherein our rational brain stops and irrationality takes over.
Thorough explanation of the decoy effect shows how it can effect our irrationality while making choices.