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I have sales data of several refurbished smart phone devices. The sales occurs daily but not all phones are sold daily.. How do i calculate price elasticity of this data.. the sales are wholesale sales and there doesnt appear to be a linear relationship between the price & quantity at aggregate level. SHould I separate out individual models? SHould i try some time series analysis on this data. multi linear regression is giving very bad outputs.. and how do i include depreciation?

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  • $\begingroup$ It would be helpful for you to explicitly share what you currently understand and know about the situation and clearly indicate where your issue(s) lie. The question is too vague to give precise answer or guidance on. $\endgroup$ – ReneBt Jan 31 at 9:10

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