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Chii chinonzi cross-elasticity?
Munguva pfupi yapfuura, unogona kuona kuchinja kwemazuva ose pamitengo yezvinhu zvekutengesa. Kakawanda kuchinja kwakadaro kunoitika nenzira yakaoma. Vakaita seimba inoputsika yemakadhi: rimwe kuwira kunosanganisira zvinotevera.
Tsanangudzo
Kutaura nezvekusimba muhuwandu, zvinogona kushandiswa kutaura kuti zvinoratidza chiyero chekuchinja mune zviratidzo zvakasiyana. Elasticity inogona kushandiswa munharaunda yekuwana mari, kuda, kupa. Pamusana pekodzero yakasununguka, inogona kufungidzirwa kuti kudai kwechigadzirwa kuchachinja nekuwedzerwa mumutengo waro, somuenzaniso, nezana gumi muzana. Kana, kuti, kuwana mari yakasununguka kunoratidza kuti zvinodikanwa zveimwe chigadzirwa chinoshandiswa apo mari yevatengi inoshanduka.
Mucheka wepamuchinjiki inokwanika inoratidza hukama pakati pemutengo weimwe chigadzirwa uye chido cheumwe. Ichi chiratidzo chinogona kuva chakanaka, chakaipa uye zero. Kana muchinjikwa uine huwandu hwechiratidzo, saka tinogona kutaurirana pamusoro penyaya yekuenzanisa zvinhu zvakasiyana-siyana. Muchiitiko ichi, kuchinja mumutengo weimwe chigadzirwa chinopesana chinokanganisa kuchinja kune chido cheumwe.
Kusagadzikana kusina kunaka kunoratidza kuti zvinhu zvinokurudzira kana zvinhu zvakakwana. Muchiitiko ichi, simba rinopinda maererano nekuenderana nekuchinja uye kana mutengo weimwe chigadzirwa unowedzera, uwandu hwekuda kweumwe huderera.
A zero cross-elasticity index inoratidza kuti zvivako hazvibatanidzi nezvimwe zvinhu. Muchiitiko ichi, kuchinja kwehuwandu hwekutsvaga kana mutengo wezvimwe zvinhu hazvirevi chero shanduko mukushanda kweumwe.
Basa rinokosha
Muchinjikwa-yakasununguka ndiyo yakakosha yekushandisa pakutsvaga mutengesi wekutengesa zvinhu, asi iwe haugoni kukanganwa zvinhu zvevarindi. Saka, somuenzaniso, rutivi rwemhando yepamusoro inenge isingagoni kuongororwa kubva panzvimbo yekusununguka.
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