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Utility yarna - waa fikradda dhaqaale oo muhiim ah

utility yarna - iibsi in qofku helo marka la isticmaalayo unit dheeraad ah lacagta. Haddii tartan saafi by tilmaame this, aad go'aan ka gaari kara qiimaha suuqa badeecadaha ka.

Background

Waxaan dhihi karnaa in sharciga utility yarna uu qeexayaa korodhka kaalmada guud ahaan marka la eego unugyada lacagta dheeraadka ah ee isticmaalka. Mabda 'Tani waxaa ka soo baxay ku dhawaad mar by saddex caan saynisyahano-dhaqaaleyahannada: Leon Walras, Karlom Mengerom, iyo Stanley Jevons. Last ku qeexan fikradaha isaga u gaar ah oo ku saabsan mawduuca in cashar ka, kaas oo la daabacay 1866 by Carl Menger hadlay oo ku saabsan arrintan ee "Mabaadi'da Siyaasadda Dhaqaalaha" ee 1871. Leon Walras hadlay arrintan in 1874. Isla mar ahaantaana, saddex dhan shaqeeyay on arimahan si madax-bannaan. Ogsoonow in ay haayadu yarna - muddo soo bandhigay dhaqaalaha Friedrich von Wieser. Tixgeli mabda'a aasaasiga ah ee this ifafaale. Iyadoo la tixraacayo qiimaha nooc ka mid ah qaar ka mid ah lacagta waxaa lagu go'aamiyaa iyadoo la raacayo utility ee tusaale ahaan in yarna oo qanciya yaraan baahi degdeg ah.

story

"Utility yarna" - fikradda ah oo hore u soo dhawaaday dhaqaaleyahannada casri ah markii ay soo shaqeeyay on aragtida ah ee qiimaha. Ka fikir waxa saynisyahano maanta waxa ay maalgashanayaan xilli. Waxay u fahmaan sida foomka ugu yaraan muhiim ah faa'iidooyinka keenay by boon a la hubo ee daboolidda baahida gaarka ah. Ka soo qaad, tusaale ahaan, kibista waa in ay u adeegaan sida muxaadaro, xoolaha feed, iyo dalagga cuntada ay awoodaan. Waxaa la oran karo waa ugu horeysay ee doorka ugu yaraan muhiim ah. Awoodda oo kibis ah si ay u qanciso baahida this la oran karo waa ay utility yarna. Dhanka kale waxaa lagama maarmaan ah in ay bixiyaan si ay feature kale oo muhiim of this ifafaale dareenka. Xataa marka loo eego baahida ka mid ah lacagta ee awood u leh inay ku raaxaystaan utility yarna kala duwan. Tusaale ahaan, ka fiirsan muhiimadda ay cunto gaajaysan oo ninkii dhergi. Waxaan ku mashquulsan yihiin hoos u index lacagta xad-dhaaf ah iyo in ay kor la'aan.

dhacaya

Haddaba si faahfaahsan uga hadlin weyn sharciga hoos utility yarna. Waxa uu sheegay in ay sabab u tahay koritaanka isticmaalka wanaagsan total utility kordhay, laakiin heerka of habkan waa la yareeyey. Haddaba eegno sharciga hoos utility in yarna ka xisaabeed of view. Waxaan u ogaato in derivative koowaad ee guud ahaan shaqada utility waa wanaagsan oo ku xidhan tahay isticmaalka alaabta. Si kastaba ha ahaatee, waxaa hoos u. War sidee derivative labaad waa negative. Hoos utility yarna u muuqataa sida function sii kordheysa oo la sii weynaydba convex. Waxaan ku mashquulsan yihiin index la kordhiyo hoos u isticmaalka. In xaaladaha utility guud badnaan tagaa. Ka dib markii in, utility ka yarna uu noqdaa mid aan wanaagsanayn. Guud ahaan, markeeda, gaadho ugu badnaan oo uu bilaabo inuu hoos u. Tusaale ahaan, haddii aan ka hadlo nin gaajaysan, utility ka yarna maddiibadda ugu horeysay ee maraq isaga u badan tahay marka la barbar dhigo labaad. Tani waxay sidoo kale waa run, waayo, noocyada kale ee alaabta.

applicability Limited sharciga

Waxad is barbardhigi kartaa oo kaliya wax soo saarka oo ka kooban cutubyo dhqaalaha, oo ku baabba'nay hal qof. Tusaale ahaan, muuska iyo tufaax ma waxaa laga daawan karaa. Xitaa kala duwan yar saamayn ku yeelan kara natiijada kama dambaysta ah. Tusaale ahaan, ma la arki karaa tufaax cas iyo cagaar. Dhamaan unugyada ee alaabta la doortay waa in ay leeyihiin tayo isku mid ah iyo miisaan. Tusaale ahaan, tufaax yihiin dhanaan iyo macaan. sheyga labaad waa ay awoodaan in ay bixiyaan qanacsanaanta macaamiisha weyn. Waxaan ka fiirsan iibsadaa la dhadhan isku mid ah. Iyagu ma ay u malaynayeen inay wax ka bedesho in dakhliga, doorbidida, caadooyinka iyo caadooyinka macaamiisha. Isbeddelka ku mid ka mid ah arrimahaasi waxay saamayn ku yeelan karaan waxtarka ee alaabta, oo ku tilmaamay sharci laguma dabbaqi doonaa. Sidoo kale caanaha waxay u baahan tahay isticmaalka joogtada ah. Haddii xaalad this aan la tixgeliyo, utility ka yarna Ma tegi karno. Marka, ka dib markii isticmaalka qaybta ugu horeysay ee alaabta lagu arkay hakin ah, waxay u badan tahay in baahida loo qabo, waayo, in dib loo bilaabo. Sidaas darteed, adigoo raacaya halbeeg wanaagsan la kulmi doonaan qanacsanaanta la mid ah.

xaqiiqooyinka oo xiiso leh

utility yarna - u xisaabin in la caddeeyo in hoos u dhaca qiimaha dhiiri macaamiisha si loo kordhiyo tirada iibsadaan alaabta gaar ah. Si kastaba ha ahaatee, ku tilmaamay sharciga had iyo jeer ma joogo. Gaar ahaan, waxaa laga yaabaa in aan ka shaqeeyo case of qadar yar oo ah alaabta. Xaaladdan oo kale waxa loo qeexi karaa by tusaale u ah caafimaadka. Tusaale ahaan, haddii qof cabbaa kiniin ah, waxaa si buuxda u daaweyn. Haddii laba ka mid ah - bogsiinta waxaa suurtagal ah in ay ka buuxaan. Laakiin isticmaalka dheeraad ah kiniin awoodaa oo keliya inay wax yeelaan jidhka. Sidaas darteed, utility yarna uu galay negative ah ku soo jeedin doonaa.

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