why is price a regressor does an ols model include the price can the price of a product affect sales how can sales be correlated to prices by a regressor a cost versus a product is a product a product a regressor what is the relationship between the price and volume of the product? how does a model for price include a model for the sales? when price increases are sales increased does price affect sales if the average sales increase is the same as the average price, the difference between the price increase and the average volume increase is the same. is price in sales regressor when does price increase affect sales if the price increases, what is the regressor for the product what is the regressor relationship for price does comparing price and volume have a congruent relationship can one never include price in sales price vif in models does a regressor use the price as a determining variable can i include price in sales model can you model sales without a price