Questions tagged [cross-price-elasticity]

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complex Difference-in-difference formula

I have 5-year sales information from a grocery store in Canada. I want to check whether an event that happened in 2017, affected the effect of the price of a product on its sales. For example, imagine ...
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How can I formulate price elasticity of demand equation when I want to add cross price elasticity?

I am trying to calculate the price elasticity of demand for a product where I used the equation log(volume) = elasticity * log(price) + seasonality dummies + trend index + CPI Here CPI is the consumer ...
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How to estimate if goods are complementary or substitutes when one good is always offered for free?

Usually whether two goods are complementary or substitutes can be measured by estimating cross-price elasticity of demand. If cross-price elasticity of demand is negative the two goods are ...