Roy Radner sahifasining manbasini koʻrish

{{Infobox scientist
| name        = Roy Radner
| image       =
| image_size  = 
| alt         = 
| caption     = 
| birth_date  = {{birth date|1927|6|29}}
| birth_place = '''Chicago, Illinois, U.S.'''
| death_date  = {{death date and age|2022|10|6|1927|6|29}}
| death_place = [[Newtown, Bucks County, Pennsylvania]], U.S.
| fields      = Matematik iqtisodiyot
| workplaces  = Yale universiteti<br> California universiteti, Berkeley<br>New York universiteti
| alma_mater  = Chikago universiteti
| doctoral_advisor = Leonard Jimmie Savage<!--(or | doctoral_advisors = )-->
| doctoral_students = 
| thesis_title = Team Decision Functions(Jamoa qaror qabul qilish funksiyalari)
| thesis_year = 1956
| thesis_url  = https://www.proquest.com/docview/301945762
| known_for   = 
| awards      = 
}}

'''Roy Radner''' (29-iyun 1927-yil – 6-oktyabr 2022-yil)<ref>[https://www.buckscountycouriertimes.com/obituaries/psom0325637 Roy Radner]</ref><ref><!--pages.stern.nyu.edu/~rradner/radnercv.htm-->Roy Radner's Curriculum Vitae - NYU Stern School of Business</ref> Nyu-York universiteti Stern biznes maktabining Leonard N. Stern Maktab professori bo‘lgan<ref>{{Cite web|url=http://pages.stern.nyu.edu/~rradner/|title=Prof. Roy Radner}}</ref>. U [[mikroiqtisodiyot|mikroiqtisodiy]] nazariyotchi edi. Radnerning tadqiqot yo‘nalishlari iqlim o‘zgarishining strategik tahlili, chegaralangan ratsionallik, korrupsiyaning o‘yin-nazariy modellari, axborot tovarlari narxlari va ma’lumotlarni qazib olishning statistik nazariyasini o‘z ichiga olgan<ref>{{Cite web|url=https://www.stern.nyu.edu/faculty/bio/roy-radner|title=NYU Stern - Roy Radner - Leonard N. Stern Professor of Business, Emeritus}}</ref>. U avval Kaliforniya universiteti, Berkeley va AT&T Bell Laboratoriesda ham faoliyat yuritgan.

== Hayot va faoliyati ==
Roy Radner 1945-yilda Chikago universitetida gumanitar fanlar bo‘yicha Ph.B. darajasini olgan. U ta’limini shu universitetda davom ettirib, 1950-yilda matematika bo‘yicha bakalavr darajasini, 1951-yilda matematika bo‘yicha magistr darajasini va 1956-yilda matematik statistika yo‘nalishida falsafa doktori (Ph.D.) darajasini olgan<ref>{{Cite web|url=https://www.stern.nyu.edu/faculty/bio/roy-radner|title=Roy Radner}}</ref>. U 2022-yil 6-oktabr kuni Pensilvaniya shtatining Bucks okrugidagi Newtown shahrida joylashgan Pennswood Village nomli maskanda 95 yoshida vafot etgan<ref>{{Cite web|url=https://www.buckscountycouriertimes.com/obituaries/psom0325637|title=Roy Radner Obituary |date=October 11, 2022 }}
</ref>.

== Radner muvozanati ==
Radnerning eng muhim hissalaridan biri uning nomi bilan atalgan '''Radner muvozanati'''(Radner equilibrium) (1968) bo‘lib, u moliyaviy bozorlar modelidir<ref>Radner (Jan. 1968) "Competitive Equilibrium under Uncertainty", Econometrica, pp. 31-58. [http://pages.stern.nyu.edu/~rradner/publishedpapers/20CompetitiveEquilibrium.pdf]</ref><ref>Chiaki Hara (2006) "General Equilibrium Theory: Lecture Note," Kyoto University. {{cite web |url=http://www.kier.kyoto-u.ac.jp/~hara/GET_01.pdf |title=Archived copy |access-date=October 14, 2006 |url-status=dead |archive-url=https://web.archive.org/web/20061014175233/http://www.kier.kyoto-u.ac.jp/~hara/GET_01.pdf |archive-date=October 14, 2006 }}</ref><ref>Magill and [[Martine Quinzii|Quinzii]] (2002) "Theory of incomplete markets. 1," MIT Press.</ref>. An’anaviy yondashuvda agar aktiv yoki shartli talab qiymati mavjud bo‘lsa, u amalga oshirilishi mumkin deb qaraladi. Biroq to‘liq bo‘lmagan bozorlarda bunday emas, chunki to‘lovlar mavjud aktivlar bilan savdo qilish orqali qayta tiklanishi kerak bo‘ladi va ular iqtisodiyot ta’rifining bir qismiga aylanadi. Buning birinchi oqibati shuki, byudjet to‘plamlari mavjud fazoni to‘liq qoplamaydi va odatda gipertekisliklardan kichik bo‘ladi. Byudjet to‘plamiga ortogonal vektorlar o‘lchami birdan katta bo‘lgani uchun muvozanatni qo‘llab-quvvatlovchi narx tizimlarining yagonaligi kafolatlanmaydi, xuddi shuningdek birinchi tartibli shartlar agentlar gradientlarining kollinear bo‘lishini talab qilmaydi. Ikkalasi ham odatda bajarilmaydi: shu sababli umumiy muvozanat nazariyasining birinchi farovonlik teoremasi buziladi. [[Pareto samaradorligi]] odatda ta’minlanmaydi<ref>Geanakoplos and Polemarchakis (1985) "Existence, Regularity, and Constrained Suboptimality of Competitive Allocations When the Asset Market Is Incomplete." [https://ideas.repec.org/p/cwl/cwldpp/764.html]</ref>. An’anaviy to‘liq bozorlarda har qanday siyosat ratsional agentlar savdosi orqali bekor qilinishi mumkin. Ammo to‘liq bo‘lmagan bozorlarda bu imkon yo‘q, shuning uchun bunday neytrallash savdosi har doim ham mumkin emas. Turli siyosatlar (soliq<ref>John Geanakoplos and H. M. Polemarchakis (2008) "Pareto improving taxes," [http://cowles.econ.yale.edu/P/cd/d16b/d1662.pdf]</ref>, pul-kredit<ref>Drèze, J.H. and Polemarchakis, H. (2001). "Monetary equilibria", ch. 5 in Debreu, G., Neuefeind, W. and Trockel, W. (eds.), Economics Essays. A Festschrift for Werner Hildenbrand, Berlin: Springer.</ref><ref>{{cite journal |last1=Magill |first1=M. |last2=Quinzii |first2=M.|author2-link= Martine Quinzii |year=1992 |title=Real effects of money in general equilibrium |url=https://archive.org/details/sim_journal-of-mathematical-economics_1992_21_4/page/n1 |journal=Journal of Mathematical Economics |volume=21 |issue=4 |pages=301–342 |doi=10.1016/0304-4068(92)90012-v|citeseerx=10.1.1.218.7622 }}</ref>, va boshqalar) to‘liq bo‘lmagan bozorlarda joriy etilganda real ta’sirga ega bo‘ladi. Bundan tashqari, bozorlarning to‘liq emasligi real ta’sirga ega bo‘lgan moliyaviy innovatsiyalar nazariyasiga yo‘l ochadi<ref>{{cite journal |first=Ronel |last=Elul |year=1995 |journal=[[Journal of Economic Theory]] |volume=65 |issue=1 |pages=43–78 |title=Welfare Effects of Financial Innovation in Incomplete Markets Economies with Several Consumption Goods |doi=10.1006/jeth.1995.1002 }}</ref>. Bu esa an’anaviy to‘liq bozorlar modelida mumkin emas edi, chunki har qanday shartli talab savdo orqali qayta tiklanishi mumkin bo‘lardi va moliyaviy innovatsiya real ta’sirga ega bo‘lmas edi.

== Mukofotlar va e’tirof ==
* AQSh Milliy Fanlar Akademiyasi va Amerika San’at va Fanlar Akademiyasi a’zosi
* Amerika Iqtisodiy Assotsiatsiyasi va Amerika Ilm-fanni rivojlantirish assotsiatsiyasining faxriy a’zosi
* Iqtisodiy nazariya rivojlantirish jamiyatining a’zosi
* Ekonometrik Jamiyatning a’zosi va sobiq prezidenti

== Tanlangan bibliografiya ==
;Kitoblari
* {{Cite book |last=Jorgenson |first=Dale Weldeau |url=https://www.google.com/books/edition/Optimal_Replacement_Policy/IBtPAAAAMAAJ?hl=en |title=Optimal Replacement Policy |last2=McCall |first2=John Joseph |last3=Radner |first3=Roy |date=1967 |publisher=North-Holland Publishing Company |isbn=978-0-444-10728-2 |language=en}}
* {{cite book | editor-last1 = Radner | editor-first1 = Roy | editor-last2 = McGuire | editor-first2 = C.B. | title = Decision and organization: a volume in honor of Jacob Marschak | publisher = North-Holland Pub. Co | location = Amsterdam | year = 1972 | series = Studies in Mathematical and Managerial Economics Series (volume 12) | isbn = 9780720433135 | url-access = registration | url = https://archive.org/details/decisionorganiza0000unse }}
* {{Cite book |last=Marschak |first=Jacob |title=Economic theory of teams |last2=Radner |first2=Roy |date=1972 |publisher=Yale University Press |isbn=978-0-300-01279-8 |series=Cowles Foundation for Research in Economics at Yale University |location=New Haven London}}
* {{Cite book |editor-last=Groves |editor-first=Theodore |url=https://www.google.com/books/edition/Information_Incentives_and_Economic_Mech/l8-Ep1LoWO4C?hl=en |title=Information, Incentives, and Economic Mechanisms: Essays in Honor of Leonid Hurwicz |editor-last2=Radner |editor-first2=Roy |editor-last3=Reiter |editor-first3=Stanley |date=1987 |publisher=U of Minnesota Press |isbn=978-1-4529-0804-5 |language=en}}

;Ilmiy maqolalar
* {{Cite journal | last1 = Radner | first1 = Roy | last2 = Hurwicz | first2 = Leonid | last3 = Reiter | first3 = Stanley | author-link2 = Leonid Hurwicz | author-link3 = Stanley Reiter | title = A stochastic decentralized resource allocation process: Part I | url = https://archive.org/details/sim_econometrica_1975-03_43_2/page/187 | journal = [[Econometrica (Jurnal)]] | volume = 43 | issue = 2 | pages = 187–221 | doi = 10.2307/1913581 | jstor = 1913581 | date = March 1975 }} Cowles Commission Discussion Paper: Economics No. 2112, [http://cowles.econ.yale.edu/P/ccdp/ec/e-2112.pdf ''(pdf)''].
== Manbalar ==
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