GDP (Tag nrho cov khoom lag luam hauv tsev) yog cov cim loj ntawm macroeconomic uas txiav txim siab cov txiaj ntsig ntawm kev lag luam. Qhov GDP deflator yog qhov ntsuas tus nqi uas qhia txog cov kev hloov pauv ntawm cov nqi ntawm cov neeg siv khoom noj nyob rau ib lub sijhawm.
Cov Lus Qhia
Kauj ruam 1
Qhov GDP deflator yog ib qho ntawm cov kev qhia tseem ceeb tshaj plaws rau kev suav cov nqi ntawm tus neeg siv khoom noj, uas qhia txog kev cuam tshuam nyiaj txiag hauv lub tebchaws. Qhov GDP deflator yog raws li qhov loj ntawm cov neeg siv khoom ntawm lub sijhawm tam sim no, tab sis tsis yog qhov pib ib. Yog li, qhov GDP deflator tseem suav hais tias yog cov Txiaj Ntsig Paasche.
Kauj ruam 2
Qhov GDP deflator suav nrog cov neeg siv khoom kawg, khoom muag thiab cov kev pabcuam tau suav rau hauv GDP. Thaum xam qhov txiaj ntsig ntawm GDP, muab cov ntawv pov tseg tag nrho cov cim rau cov khoom yuav hauv xyoo dhau los thiab cov khoom lag luam uas nyob hauv nruab nrab hauv kev tsim cov khoom kawg. Piv txwv li, khoom noj npaj hauv tsev thiab noj hmo npaj hauv tsev noj mov. Ob lub tais tuaj yeem yuav zoo ib yam, tab sis qhov kawg khoom kawg, tus nqi uas txiav txim siab theem ntawm GDP, yuav noj hmo los ntawm lub tsev noj mov.
Kauj ruam 3
Kev suav ntawm GDP yog raws li lub hauv paus ntsiab lus: "Txhua yam uas tau tsim hauv lub tebchaws yuav twv yuav raug muag." Yog li, qhov kev suav yooj yim tshaj plaws ntawm GDP tshwm sim los ntawm kev ntxiv txhua yam nyiaj tau siv los ntawm cov neeg siv khoom rau kev yuav khoom ntawm cov khoom kawg. Hauv lwm lo lus, GDP tuaj yeem sawv cev yog cov lej ntawm tag nrho cov kev siv nyiaj yuav tsum tau rov qab txhua yam khoom tsim nyob rau hauv kev ua lag luam.
Kauj ruam 4
Qhov GDP deflator yog qhov sib piv ntawm cov nominal thiab qhov tseeb ntawm GDP, qhia ua feem pua. Cov laij lej xam muaj li no:
GDP deflator = Nominal GDP / Tiag GDP * 100%.
Kauj ruam 5
Nominal GDP yog qhia nyob rau hauv tus nqi tam sim no rau lub sijhawm, thiab GDP qhov tseeb hauv tus nqi ntawm lub hauv paus xyoo, uas yog tas li. Lub hauv paus xyoo tuaj yeem xaiv tau raws li lub xyoo dhau los rau lub sijhawm tam sim no, lossis lwm yam. Sib piv ntawm ib xyoo tom qab nrog rau tam sim no (ua ntej) xyoo yog siv los piv cov xwm txheej keeb kwm nrog qhov muab, tam sim no qhov xwm txheej. Xam tawm, piv txwv li, qhov GDP tiag ntawm xyoo 1970 hauv 1990 tus nqi, 1990 yuav yog xyoo pib, thaum xyoo 1970 yuav yog qhov tam sim no.
