It is true that there is a negative cross-elasticity of demand between potato chips and popcorn.
Ever wonder how a change in Coca-price Cola's impacts the demand for Pepsi? Or how does the demand for Skippy's peanut butter change when Smucker's jelly prices go up? You can find the answers to these questions by using cross-price elasticity of demand.
A measure of how demand for one good alters in response to a change in the price of another good is called cross price elasticity of demand (XED). The additional good could be a related good, such as a complement or a substitute that consumers would purchase in place of the additional item.
To learn more about cross elasticity here:
https://brainly.com/question/14469117
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