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#cfa #cfa-level-1 #economics #microeconomics #reading-13-demand-and-supply-analysis-introduction #study-session-4
One study found that income elasticity of demand for beer is slightly negative, whereas income elasticity of demand for wine is significantly positive. An economist would therefore say that beer is inferior whereas wine is normal
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4.3. Income Elasticity of Demand: Normal and Inferior Goods
income elasticity of demand for that good is observed to be negative. It does not necessarily indicate anything at all about the quality of that good. Typical examples of inferior goods might be rice, potatoes, or less expensive cuts of meat. <span>One study found that income elasticity of demand for beer is slightly negative, whereas income elasticity of demand for wine is significantly positive. An economist would therefore say that beer is inferior whereas wine is normal. Ultimately, whether a good is called inferior or normal is simply a matter of empirical statistical analysis. And a good could be normal for one income group and inferior for another i


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