Advertising elasticity of Demand of X = rercent change in consumption (quantity demanded) of x Percent change in advertising expenditure of X дох, ДАх, Ax Advertising elasticity of Demand of X x Percent change in advertising expenditure of X Therefore, Percent change in consumption of X AQx 2 x-4% Qx =-8% Note:(-4% used in calculations as advertising expenditure decreases)
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