Kev ntsuas qhov ntsuas ntsuas yog dab tsi?
Kev ntsuas qhov ntsuas ntsuas yog dab tsi?

Video: Kev ntsuas qhov ntsuas ntsuas yog dab tsi?

Video: Kev ntsuas qhov ntsuas ntsuas yog dab tsi?
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Anonim

A concentration ratio yog tus piv ntawm kev sib koom ua lag luam sib koom ntawm ib lub tuam txhab muab rau tag nrho cov lag luam loj. Nws yog feem ntau xav txog 3-ruaj khov, 4-khov kho lossis 5-ruaj khov concentration piv . Concentration ratios yog siv rau ntsuam xyuas qhov twg rau lub khw muab yog oligopolistic.

Hauv txoj kev no, qhov siab concentration piv qhia dab tsi?

A high concentration piv qhia tias ob peb lub tuam txhab tsim tawm feem ntau ntawm kev lag luam tawm thiab tej zaum yuav qhia ib qho tseem ceeb ntawm lub zog ua lag luam hauv kev lag luam.

Kuj Paub, dab tsi yog 3 ruaj khov concentration piv? Txhais ntawm Concentration Ratios Qhov feem pua ntawm kev ua lag luam feem ntau coj los ntawm qhov loj tshaj plaws cov tuam txhab . Nws yuav yog ib qho 3 ruaj khov concentration piv (kev ua lag luam qhia tawm ntawm 3 biggest) los yog 5 ruaj khov piv . Qhov sib piv yog siv los txiav txim cov qauv kev lag luam thiab kev sib tw ntawm kev ua lag luam.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov plaub ruaj khov concentration piv ntsuas?

Cov plaub - ruaj khov piv yog feem ntau siv los qhia qib uas kev lag luam yog oligopolistic thiab qhov twg ntawm kev lag luam tswj tuav los ntawm lub plaub loj tshaj plaws cov tuam txhab hauv kev lag luam. Cov plaub - ruaj khov concentration ratio yog xam raws li kev lag luam feem ntawm qhov loj tshaj cov tuam txhab hauv kev lag luam.

Qhov siab Herfindahl Performance index txhais li cas?

Nce hauv Herfindahl Index feem ntau qhia kev txo qis hauv kev sib tw thiab nce kev ua lag luam lub zog, qhov txo qis qhia qhov rov qab. Xwb, yog siv tag nrho cov feem pua, cov qhov ntsuas yog li ntawm 0 txog 10,000 "points". Piv txwv li, ib qho qhov ntsuas ntawm 25 yog ib yam li 2,500 ntsiab lus.

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