Marginal-nqi nqi, hauv kev lag luam, xyaum ntawm kev teeb tsa tus nqi ntawm cov khoom kom sib npaug ntawm tus nqi ntxiv ntawm kev tsim ib chav ntxiv ntawm cov zis. Los ntawm txoj cai no, tus tsim tawm tus nqi, rau txhua qhov khoom muag, tsuas yog ntxiv rau tag nrho cov nqi uas tshwm sim los ntawm cov khoom siv thiab kev ua haujlwm ncaj qha.
Leej twg siv tus nqi marginal?
Tus nqi qis tus nqi tsim nyog yog ib qho cuab yeej siv tau zoo thaum siv nyob rau lub sijhawm luv. Nws tuaj yeem pab lub tuam txhab tuav nws txoj haujlwm kev lag luam tab sis txi nyiaj tau los thiab yuav tsis ua haujlwm rau lub sijhawm ntev. James Woodruff tau ua tus kws pab tswv yim rau ntau tshaj 1,000 lub lag luam me.
Yuav ua li cas thaum tus nqi marginal sib npaug tus nqi?
In kev lag luam sib tw zoo kawg nkaus, tus nqi sib npaug ntawm tus nqi qis thiab cov tuam txhab tau txais txiaj ntsig kev lag luam ntawm xoom. Nyob rau hauv ib tug monopoly, tus nqi yog teem saum toj no marginal nqi thiab lub tuam txhab khwv tau ib tug zoo economic profit. Kev sib tw zoo meej ua rau muaj qhov sib npaug uas tus nqi thiab qhov ntau ntawm qhov zoo yog kev lag luam zoo.
Tus nqi nqes nqes npaum li cas?
Lub tswv yim ntawm tus nqi nqes nqi tsis yog tshiab; Tau ntau pua xyoo, cov kws lag luam nyiaj txiag tau hais tias nqi khoom thiab kev pabcuam ntawm tus nqi qis yog ua haujlwm tau zoo ob qho tib si faib thiab ua tau zoo.
Koj suav cov nqi marginal ntxiv rau nqe li cas?
Tus nqi Marginal sawv cev rau cov nqi nce ntxiv uas tshwm sim thaum tsim khoom ntxiv ntawm qhov zoo lossiskev pabcuam. Nws yog xam los ntawm noj tag nrho cov kev hloov pauv ntawm tus nqi ntawm kev tsim cov khoom ntau thiab muab faib los ntawm kev hloov pauv ntawm cov khoom tsim tawm.