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　　其??(qi)二??(er)??，懲?(cheng)罰??(fa)性??(xing)關(guān)??(guan)稅??(shui)政??(zheng)策??(ce)將??(jiang)導(dǎo)??(dao)致?(zhi)全??(quan)球??(qiu)貿(mào)??(mao)易?(yi)成??(cheng)本??(ben)上??(shang)升??(sheng)??，迫?(po)使??(shi)石??(shi)油?(you)貿(mào)??(mao)易??(yi)改??(gai)道??(dao)??，進(jìn)??(jin)一??(yi)步??(bu)加?(jia)劇??(ju)了??(le)國(guó)??(guo)際??(ji)油??(you)價(jià)??(jia)的??(de)不??(bu)確??(que)定??(ding)性??(xing)??。??美?(mei)國(guó)??(guo)對(duì)??(dui)進(jìn)??(jin)口??(kou)鋼??(gang)鐵??(tie)和??(he)鋁??(lv)加??(jia)征??(zheng)關(guān)??(guan)稅?(shui)??，增??(zeng)加??(jia)國(guó)??(guo)內(nèi)??(nei)石??(shi)油??(you)開??(kai)采??(cai)和??(he)運(yùn)?(yun)輸??(shu)的??(de)成??(cheng)本??(ben)??，間??(jian)接??(jie)推??(tui)高??(gao)油??(you)價(jià)??(jia)??。同??(tong)時(shí)??(shi)??，貿(mào)?(mao)易??(yi)摩??(mo)擦??(ca)導(dǎo)?(dao)致??(zhi)的??(de)全??(quan)球??(qiu)經(jīng)??(jing)濟(jì)?(ji)放??(fang)緩??(huan)預(yù)??(yu)期??(qi)??，又??(you)對(duì)??(dui)油??(you)價(jià)??(jia)形??(xing)成??(cheng)了??(le)下??(xia)行??(xing)壓??(ya)力??(li)??。這??(zhe)種??(zhong)復(fù)??(fu)雜??(za)的??(de)相??(xiang)互??(hu)作??(zuo)用??(yong)使??(shi)得??(de)國(guó)??(guo)際??(ji)油??(you)價(jià)??(jia)的??(de)波?(bo)動(dòng)?(dong)更??(geng)加??(jia)難??(nan)以?(yi)預(yù)??(yu)測(cè)??(ce)???！　∈??(shi)實(shí)??(shi)上??(shang)??，目??(mu)前??(qian)世??(shi)界??(jie)石??(shi)油??(you)市??(shi)場(chǎng)??(chang)一??(yi)直??(zhi)被??(bei)供??(gong)應(yīng)??(ying)過??(guo)剩?(sheng)、需??(xu)求?(qiu)不??(bu)振?(zhen)所??(suo)困??(kun)擾?(rao)??。??特??(te)朗??(lang)普??(pu)政??(zheng)府??(fu)一??(yi)方??(fang)面??(mian)向?(xiang)歐??(ou)佩??(pei)克??(ke)和??(he)沙??(sha)特??(te)阿??(e)拉??(la)伯??(bo)施??(shi)壓??(ya)??，要??(yao)求??(qiu)后??(hou)者??(zhe)提??(ti)高??(gao)產(chǎn)??(chan)量??(liang)壓??(ya)低??(di)油??(you)價(jià)??(jia)；另??(ling)一??(yi)方??(fang)面??(mian)又?(you)拒??(ju)絕??(jue)補(bǔ)??(bu)充??(chong)庫??(ku)存??(cun)??。美??(mei)能??(neng)源??(yuan)部??(bu)長(zhǎng)??(chang)計(jì)??(ji)劃??(hua)與?(yu)國(guó)??(guo)會(huì)??(hui)合??(he)作??(zuo)取??(qu)消??(xiao)今??(jin)后??(hou)5年??(nian)強(qiáng)??(qiang)制??(zhi)性??(xing)購??(gou)買??(mai)戰(zhàn)??(zhan)略??(lve)石??(shi)油??(you)儲(chǔ)??(chu)備??(bei)的??(de)規(guī)??(gui)定??(ding)??。此?(ci)外?(wai)??，美??(mei)國(guó)??(guo)加??(jia)大?(da)對(duì)??(dui)伊??(yi)朗??(lang)極??(ji)限??(xian)制??(zhi)裁??(cai)以??(yi)及??(ji)俄??(e)烏??(wu)沖?(chong)突??(tu)解??(jie)決?(jue)后??(hou)是??(shi)否??(fou)放??(fang)松??(song)對(duì)??(dui)俄?(e)能??(neng)源??(yuan)制??(zhi)裁??(cai)等??(deng)都??(dou)是?(shi)未?(wei)知??(zhi)數(shù)??(shu)??，更??(geng)何??(he)況??(kuang)美??(mei)關(guān)??(guan)稅??(shui)政??(zheng)策??(ce)將??(jiang)直??(zhi)接??(jie)影??(ying)響??(xiang)到??(dao)各??(ge)主??(zhu)要??(yao)經(jīng)??(jing)濟(jì)??(ji)體??(ti)的??(de)能??(neng)源??(yuan)供?(gong)應(yīng)??(ying)及?(ji)需??(xu)求?(qiu)變??(bian)化??(hua)??，市??(shi)場(chǎng)??(chang)短??(duan)期?(qi)風(fēng)??(feng)險(xiǎn)?(xian)是??(shi)顯??(xian)而?(er)易??(yi)見??(jian)的??(de)??。。