This is called the "price elasticity of demand" in economics. Here is a good list of factors that affect elasticity of a good: https://en.wikipedia.org/wiki/Pri

This is called the "price elasticity of demand" in economics. Here is a good list of factors that affect elasticity of a good: https://en.wikipedia.org/wiki/Price_elasticity_of_demand#Determinants https://en.wikipedia.org/wiki/Price_elasticity_of_demand#Det...