运算面板平滑转换回归模式PSTR的程序，是学术节计量经济学的重点程序(Many paper firstly uses the latest dynamic panel smooth transition regression model to investigate the relationship between Insurance and Economic growth for thirty countries in a nonlinear framework)

面板平滑转换回归模型（PSTR）实现程序，matlab语言编写。(Matlab code allows estimating the parameters of a Panel Smooth Transition Regression (PSTR) model)