Ratchet nyhuv nrog kev sib tw tsawg

Ratchet nyhuv nrog kev sib tw tsawg
Ratchet nyhuv nrog kev sib tw tsawg

Video: Ratchet nyhuv nrog kev sib tw tsawg

Video: Ratchet nyhuv nrog kev sib tw tsawg
Video: 17.02.19: XOVXWM Kub AMEKAS Yuav Tsim Chaw Nres Tub Rog Loj Nyob SOUTH CHINA SEA 2024, Kaum ib hlis
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Kev lag luam niaj hnub yog raws li cov hauv qab no: tus nqi, khoom siv thiab kev thov, kev sib tw. Kev txo qis hauv qib tom kawg, raws li txoj cai, feem ntau cuam tshuam tsis zoo rau cov khoom thiab cov kev pabcuam. Cov nqi khoom yog ncaj qha ntsig txog qhov ntim ntau lawm. Kev muab khoom thiab kev thov kuj nyob ntawm ib leeg. Piv txwv li, qhov khoom nrov dua, ntau zaus nws yuav tshwm sim ntawm lub txee.

ratchet nyhuv
ratchet nyhuv

Kev thov siab ua rau cov nqi nce ntxiv raws sijhawm. Hauv lwm lo lus, tus nqi ntxiv ntawm cov khoom yog loj hlob. Txawm li cas los xij, kev txo qis hauv kev thov tsis tas yuav ua rau txo qis ntawm tus nqi. Tus nqi ntawm cov khoom feem ntau poob qis. Qhov tshwm sim no paub hauv kev lag luam raws li "ratchet effect."

Cia peb saib yog vim li cas txoj kev no thiaj li muaj npe li ntawd. Raws li koj paub, lub log ratchet tsuas yog txav mus rau hauv ib qho kev taw qhia xwb. Kwv yees li qub nrog cov nqi hauv kev lag luam kev lag luam. Lawv tuaj yeem loj hlob, tab sis nws yog qhov nyuaj heev los txo lawv. Lawv tsis tas yuav txo qis txawm tias poob ntawm kev thov.

Ib tug naj npawb ntawm lub hom phiaj kev lag luam tshwm sim cuam tshuam qhov cuam tshuam ratchet. Daim duab ntawm tus nqi qib thiab kev tsim khoom tiag tiag qhia tau tias qhov nkhaus poob qis. Ntawd yog, kev sib raug zoo ntawm ob leeg yoginversely proportional. Tus nqi qis dua, cov khoom lag luam yuav raug tsim ntau dua, vim tias cov khoom tsim tawm yog nyob ntawm theem ntawm kev thov rau lawv.

macroeconomic equilibrium ratchet nyhuv
macroeconomic equilibrium ratchet nyhuv

Nws muaj peb yam uas tuaj yeem pab koj nkag siab txog cov txiaj ntsig ratchet ntau dua. Thawj ntawm lawv yog txuas nrog cov nyiaj ntsuab tiag tiag ntawm cov neeg siv khoom. Qhov no yog qhov hu ua "kev nplua nuj nyhuv". Kev yuav khoom ntawm cov pej xeem txo qis nrog kev nce nqi. Yog li ntawd, cov neeg siv khoom, tau txais cov khoom kim dua, ua neeg pluag. Qhov no ua rau qhov tseeb tias cov pej xeem pib txuag lawv cov nuj nqis. Hloov pauv, kev nce nqi tuaj yeem tshwm sim los ntawm kev txo nqi. Qhov tseem ceeb tom ntej yog cov paj laum. Nws loj hlob nrog rau tus nqi. Kev nce nqi ua rau txo qis hauv qee cov neeg siv khoom siv thiab qee hom kev nqis peev. Qhov thib peb yog qhov cuam tshuam ntawm kev yuav khoom. Tus nqi siab dua rau cov khoom siv hauv tsev, qhov muaj txiaj ntsig ntau dua yog yuav lawv cov neeg txawv teb chaws. Txawm li cas los xij, txhawm rau txhawm rau txhim kho kev lag luam, nws yog qhov yuav tsum tau xa tawm ntau tshaj li kev xa tawm.

Dab tsi yog vim li cas rau qhov tshwm sim xws li cov nyhuv ratchet? Thiab yog vim li cas tus nqi thiaj yooj yim

ratchet effect graph
ratchet effect graph

nce tab sis tawm tsam kom poob? Qhov laj thawj tseem ceeb yog txwv kev sib tw. Hauv cov xwm txheej zoo li no, tus nqi tuaj yeem hais los ntawm cov tuam txhab loj, uas tau txais txiaj ntsig los ntawm kev nce nyiaj tau los. Lawv txiav txim siab tus nqi ntawm qee yam khoom thiab sim, yog tias tsis nce nws, ces tsawg kawg kom tswj tau nws nyob rau theem tam sim no. Tab sis yuav ua li cas nyob rau hauv cov ntaub ntawv no kom tau ib tug profit nrog ib tug txo nyob rau hauv kev thov? Lo lus nug noCov tuam txhab loj daws los ntawm kev txo cov khoom siv thiab kev ua haujlwm ntawm lawv cov chaw tsim khoom. Nws yog tsim nyog hais tias, yog tias kev sib tw tsis muaj kev txwv hnyav, raws li nws nyob hauv peb lub sijhawm, cov nqi yuav nyob ntawm qhov tsuas yog qhov sib npaug ntawm cov khoom siv thiab kev thov. Cov nyhuv ratchet tej zaum yuav tsis saib xyuas. Txawm li cas los xij, qhov xwm txheej no tsis zoo rau cov neeg ua haujlwm monopolists thiab cov tuam txhab loj. Cov koom haum no pom cov txheej txheem uas tso cai rau lawv tswj hwm lawv cov txiaj ntsig txawm tias muaj kev poob qis rau cov khoom uas lawv tsim thiab muag. Thaum tsis muaj qhov sib npaug ntawm macroeconomic, cov nyhuv ratchet tshwj xeeb tshaj tawm.

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