Notes, Comments and Preliminary results Jun 09 2015 Masahiko Hattori and Yasuhito Tanaka   Subsidy or tax policy for new technology adoption in duopoly with quadratic and linear cost functions   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Sep 30 2014 Masahiko Hattori and Yasuhito Tanaka   Incentive for adoption of new technology in duopoly under absolute and relative profit maximization   Abstract  Contact Information  Citation  Full Text  -  Note   Jul 26 2014 Atsuhiro Satoh and Yasuhito Tanaka   Relative profit maximization in asymmetric oligopoly   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Apr 23 2014 Atsuhiro Satoh and Yasuhito Tanaka   Relative profit maximization and equivalence of Cournot and Bertrand equilibria in asymmetric duopoly   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Jun 14 2013 Yasuhito Tanaka   Equivalance of Cournot and Bertrand equilibria in differentiated duopoly under relative profit maximization with linear demand   Abstract  Contact Information  Citation  Full Text  -  Note