Kev sib koom ua lag luam uas cov neeg ua lag luam hauv tsev tuaj yeem nce ntxiv yog tseem loj, thiab lawv muaj cov txiaj ntsig zoo hauv qee qhov kev faib tawm. Cov txiaj ntsig tseem ceeb ntawm cov khoom lag luam hauv tsev yog lawv qhov zoo hauv cheeb tsam, kev tswj hwm tus nqi zoo, thiab qhov zoo ntawm tag nrho cov kev lag luam saw. Qhov zoo ntawm kev ua haujlwm hauv cheeb tsam tau cuam tshuam los ntawm cov chaw tsim khoom lag luam hauv tsev uas muaj kev lag luam ua tiav thiab tom qab -muag kev pabcuam hauv lub tebchaws, thiab cov neeg siv khoom nyiam cov kev pabcuam zoo dua thiab yooj yim dua. Tus nqi tswj kom zoo dua yog xav txog qhov tseeb tias cov neeg muag khoom txawv teb chaws tseem muaj tus nqi siab nyob rau hauv cov nqe lus ntawm ntshuam tariffs thiab cov tswv lag luam layout. Tom qab cov neeg hlau hauv tsev tau tsim cov txiaj ntsig zoo, lawv cov khoom siv hluav taws xob sab saud yuav raug txhim kho, thiab kev tswj hwm tus nqi tuaj yeem txhim kho ntxiv. Qhov zoo ntawm tag nrho cov kev lag luam saw tseem tshwm sim tas li, thiab cov neeg siv khoom siv hluav taws xob hauv tsev txuas ntxiv txhim kho lawv cov txheej txheem thev naus laus zis thiab nce tus nqi ntawm tus kheej - ua cov khoom tseem ceeb.
Nyob rau hauv cov ntsiab lus ntawm cov txiaj ntsig zoo ntawm tus nqi thiab sai sai tom qab- cov lus teb rau kev muag khoom, cov neeg muag khoom hauv tsev thiab cov neeg koom ua ke tau tshawb nrhiav sai sai rau cov xwm txheej hauv cov kev faib tawm thiab txuas ntxiv nce tus nqi nkag ntawm cov neeg hlau hauv tsev.