学術論文
未公刊(Discussion Paper・現在進行中の研究・他):
-  ``Social Recognition and Economic Equilibrium," 
Discussion paper 06-30, Graduate School of Economics and Osaka School of
International Public and Policy, Osaka University, 2006. 
 -  Fixed Points and Economic Equilibria, 
Ph.D. Thesis, Osaka University,
December, 2005.
 -  ``Existence of equilibrium with non-convex constraint correspondences: Including an application for the default economy,'' with Akihiko YOSHIMACHI, 
Discussion paper 02-06, Graduate School of Economics and Osaka School of
International Public and Policy, Osaka University, 2002. 
 Latest Version 
``Fixed points and social equilibrium existence without convexity conditions: Including an application for the default economy'' --- Dounload 
UYnoncoC.ps (269kb), 
UYnoncoC.pdf (217kb)
 
 -  ``Why there isn't a complete description of the human society II: The society and value,'' 
Discussion paper 02-05, Graduate School of Economics and Osaka School of
International Public and Policy, Osaka University, 2002. 
Latest Version 
``Why the society and social values cannot be completely described as
well defined mechanisms'' --- Dounload the2nd01.pdf (189kb)
 -  ``Why there isn't a complete description of the human society: The rationality and individuals,'' 
Discussion paper 02-04, Graduate School of Economics and Osaka School of
International Public and Policy, Osaka University, 2002. 
Latest Version --- Dounload the1st03.ps (264kb), the1st03.pdf (207kb)
 -  ``A Game Theoretic Characterization of Monetary Equilibria in
     Perfect Foresight Double Infinity Economies,'' Discussion Paper
     95-09, Faculty of Economics and Osaka School of International
     Public Policy, Osaka University, 1995.
  
 -  ``On the economic theory of fertility,'' with Kiyoshi KUGA,
     Discussion paper No. 192, The Institute of Social and Economic
     Research, Osaka University, 1989.
  
 -  『The Overlapping Generations Model: 競争均衡の最適性および貨幣の役割についての研究』大阪大学大学院経済学研究科修士論文.1987. 
 
一般学術雑誌:
-  ``Fixed point theorems in Hausdorff topological vector spaces 
and economic equilibrium theory", 
with Akihiko Yoshimachi, Advances in Mathematical Economics, vol.6, 
(2004), 149--165.  ---(Theorem reference number corrected Version 
is here.)
 -  ``A generalization of continuity and convexity conditions 
for correspondences in the economic equilibrium theory", 
with Takashi Hayashi, The Japanese Economic Review, 
Vol. 51, No. 4, (December 2000).
  
 -  ``Fixed point theorems and the existence of economic equilibria 
based on conditions for local directions of mappings", 
Advances in Mathematical Economics, vol.2, (2000), 87--118, 
(Springer-Verlag).
  
 -  ``On the Existence of Equilibria in Economies with Infinitely Many Agents
and Commodities: The Direct System of Economies", 
Journal of Mathematical Economics, Vol. 23, (1994), 339--359.
 -  ``Direct System of Economies with Inverse System of Price Spaces", 
The Economic Studies Quarterly, Vol. 43, No. 2, (June 1992), 154-164.
 -  ``On the Existence of Pareto-Optima and Interest Competitive Equilibria in the Generation-Overlapping Exchange Economy", The Economic Studies Quarterly, Vol. 41, No. 3, (September 1990), 235-246. 
 
大学紀要等:
- 『線型位相空間における双対系構造の一般化と
多価写像の不動点定理』, with 横田耕祐, 
大阪大学経済学 56 巻 3 号, 1--12, 2006.  
 -  ``Homological Methods for the Economic Equilibrium 
Existence Problem: Coincidence Theorem and an Analogue of 
{S}perner's Lemma in {N}ikaido (1959)",
in Kokyuroku 1488, Research Institute for Mathematical Sciences, 
Kyoto University, May, 2006.  
 -  ``General Equilibrium Theory for Economy with Asymmetric Information: 
Basic Model",
in Kokyuroku, Research Institute for Mathematical Sciences, 
Kyoto University, July, 2005.
 -  ``Generalized dual system structure and fixed point theorems 
for multi-valued mappings", with Kousuke Yokota, 
in Kokyuroku, Research Institute for Mathematical Sciences, 
Kyoto University, July, 2005.
 - 『非対称情報経済のための一つの一般均衡モデル』,
with 吉町昭彦, 大阪大学経済学 54 巻 2 号, 13--19,
2004.  
 - 『債務不履行を考慮に入れた経済において
均衡の存在を保証する条件としての道徳性』, with 吉町昭彦, 
大阪大学経済学 54 巻 2 号, 1--12, 2004.
  
 -  ``Why there isn't a complete description of the human society 
I: The individual and rationality", in Kokyuroku, Research Institute for
Mathematical Sciences, Kyoto University, no.1264, 2002.
  
 -  ``On the Existence of Pareto-optima in Overlapping Generations
     Economies with Production,'' KSU Economic and Buisiness Review,
     (Kyoto Sangyo University), No.22, (May 1995), 113--126. 
 
 -  ``A Non-Existence Theorem of Paret-Optima in Economies with an Infinity of Agents,'' KSU Economic and Buisiness Review, (Kyoto Sangyo University), 
No. 21, (May 1994), 127--131.
 -  ``On the Generalized Price Simplex and the Boundary Condition,''
     The Economic and Buisiness Administration Review, (Kyoto Sangyo
     University), Vol. 28, No. 2, (September 1993), 42--53.
 -  ``The Echelon Construction Scheme with Functors", The Economic and
     Buisiness Administration Review, (Kyoto Sangyo University),
     Vol. 28, No. 1, (June 1993), 151--160.
 -  ``An Extension of Gale-Nikaido-Debreu Lemma to the Case with Infinitely Many Excess Demand Correspondences", 
KSU Economic and Buisiness Review, (Kyoto Sangyo University), No. 20,
(May 1993), 17--26.
 -  『貨幣的一般均衡と資産市場の独立性について』,「経済経営論叢」(京都産業大学経済学部・経営学部),第26巻,第2号,平成3年9月, (September 1991), 52--66.
 -  ``On the Existence of Pareto-Optima in Topological Vector Spaces without Complete Preferences", KSU Economic and Buisiness Review, (Kyoto Sangyo University), No. 18, (May 1991), 61--64.
 
urai@econ.osaka-u.ac.jp
Copyright © 1999-2002 Ken Urai