Working papers Dec 02 2015 Mototsugu Shintani and Zi-yi Guo   Improving the Finite Sample Performance of Autoregression Estimators in Dynamic Factor Models: A Bootstrap Approach   Abstract  Contact Information  Citation  Full Text  -  Working Paper   Feb 27 2015 Pierre Perron , Mototsugu Shintani and Tomoyoshi Yabu   Testing for Flexible Nonlinear Trends with an Integrated or Stationary Noise Component   Abstract  Contact Information  Citation  Full Text  -  Working Paper