Tsis ntev los no, qhov teeb meem kev lag luam hauv tsev tsis zoo, kev lag luam kev lag luam qeeb qeeb thaum Lub Xya Hli, qhov poob ntawm kev nqis peev hauv vaj tse, ua rau muaj kev ntxhov siab rau tus nqi ntawm cov hlau, uas cov nqi tooj liab tau cuam tshuam loj heev.
Ua ntej tshaj plaws, kev lag luam tsis zoo hauv tsev tau muaj kev cuam tshuam tsis zoo rau kev lag luam hlau xav tau. Kev tsim khoom lag luam yog tus tsav tsheb tseem ceeb ntawm kev thov rau kev lag luam hlau, thiab thaum lub sijhawm ntawm kev tsim khoom lag luam qeeb, qhov kev thov rau kev lag luam hlau kuj yuav txo qis. Qhov no tau ua rau poob rau hauv cov nqi ntawm cov khoom siv hlau, tshwj xeeb yog tooj liab.
Qhov thib ob, lub ntiaj teb tooj liab ua lag luam oversupply, London tooj liab cov khoom muag tseem nce ntxiv, ntxiv zog rau tus neeg yuav khoom lub siab xav yuav tooj liab. Kev ua lag luam oversupplied txhais tau hais tias cov khoom siv ntau tshaj qhov xav tau, uas ua rau cov nqi poob. Cov khoom lag luam ntawm tooj liab khaws cia ntawm London Hlau Txauv tau nce siab, xav txog qhov xav tau tsis muaj zog rau cov hlau. Qhov poob ntawm cov nqi tooj liab tau ua rau muaj kev kub ntxhov ntxiv los ntawm kev ua rau cov neeg yuav khoom tsis muaj zog rau cov hlau.
Tsis tas li ntawd, tam sim no off-season, qhov xav tau kev pom zoo yog qhov tsis tshua muaj. Nyob rau hauv lub caij off-season cua, kev thov rau industrial hlau feem ntau txo qis, uas kuj ua rau lub sij hawm luv luv downward siab rau tus nqi tooj liab. Txo kev thov ua rau oversupply, uas ua rau tus nqi qis.
Hauv cov ntsiab lus, qhov teeb meem kev lag luam hauv tsev tsis zoo, lub ntiaj teb tooj liab ua lag luam oversupply thiab off-season thov kev pom zoo yog bleak thiab lwm yam, ua rau muaj kev kub ntxhov rau tus nqi ntawm cov hlau, tshwj xeeb tshaj yog tus nqi tooj liab tau cuam tshuam zoo heev. Txawm li cas los xij, nws yuav tsum tau taw qhia tias qhov xwm txheej ntawm kev lag luam thiab kev lag luam thiab kev xav tau yog cov kev hloov pauv hloov pauv, thiab lub sij hawm luv luv downward siab tsis sawv cev rau lub sij hawm ntev. Raws li qhov xwm txheej kev lag luam txhim kho thiab xav tau nce, cov nqi hlau lag luam yuav tsum maj mam rov qab los.
