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   Jun 10 2012 Min-Hung Tsay   Preemption and rent equalization in the adoption of new technology: comment   Abstract  Contact Information  Citation  Full Text  -  Comment