Notes, Comments and Preliminary results Apr 22 2015 Kenichiro Ikeshita , Tamotsu Nakamura and Keisuke Osumi   A phase diagram analysis on “The Environment and Directed Technical Change”   Abstract  Contact Information  Citation  Full Text  -  Note   May 06 2014 Tamotsu Nakamura   On Ramsey's conjecture with AK technology   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Dec 23 2013 Hiroyuki Takami and Tamotsu Nakamura   Optimal partial privatization in mixed oligopoly: a geometric approach   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 05 2008 Masaya Yasuoka , Megumi Katahira and Tamotsu Nakamura   Private Education and Positive Growth with Shrinking Income Inequality: A Note   Abstract  Contact Information  Citation  Full Text  -  Note   Aug 14 2007 Tamotsu Nakamura   Capital depreciation and the investment-uncertainty relationship: The role of symmetric adjustment costs   Abstract  Contact Information  Citation  Full Text  -  Note