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price discrimination in the airline industry - Fagbokforlaget

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products. This would lead to an <strong>in</strong>crease <strong>in</strong> demand for low quality products because (i)some of those demand<strong>in</strong>g a high quality product shifts to buy<strong>in</strong>g a low quality productand (ii) new consumers start buy<strong>in</strong>g <strong>the</strong> low quality product (market expansion).Given such an effect of competition <strong>in</strong> <strong>the</strong> leisure segment, what happens <strong>in</strong> <strong>the</strong>bus<strong>in</strong>ess segment? As already mentioned, a larger amount of low quality productsavailable at a lower <strong>price</strong> would imply that some of <strong>the</strong> consumers <strong>in</strong> <strong>the</strong> bus<strong>in</strong>esssegment shifts to buy a low quality product. Consequently, we will expect an <strong>in</strong>ward shift<strong>in</strong> <strong>the</strong> demand <strong>in</strong> <strong>the</strong> bus<strong>in</strong>ess segment. Moreover, we expect that <strong>the</strong> <strong>price</strong>s <strong>in</strong> <strong>the</strong>bus<strong>in</strong>ess segment also drops. This is due to competition on <strong>price</strong>s, as well as a wish tolimit <strong>the</strong> number of bus<strong>in</strong>ess consumers that shifts to buy<strong>in</strong>g a low quality product. Theseeffects are illustrated <strong>in</strong> Figure 4.Figure 4 The effect <strong>in</strong> <strong>the</strong> bus<strong>in</strong>ess segment of competitionPriceDemandMONP BDUOP BDUOX BMONX BQuantityIn <strong>the</strong> previous Section, we concluded that it is plausible that version<strong>in</strong>g improveswelfare if <strong>the</strong> total output <strong>in</strong>creases. One possible conclusion we may draw from thisSection is that an <strong>in</strong>crease <strong>in</strong> total output from version<strong>in</strong>g is even more likely <strong>in</strong> acompetitive sett<strong>in</strong>g than <strong>in</strong> a monopoly situation. The reason is that version<strong>in</strong>g can lead to© Steen and Sørgard 11

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