//-->
Habit formation as a resolution to the equity premium puzzle : what is in the data, what is not
Ni, Shawn X., (1993)
National debt, savings, and real interest rates in a neoclassical model with endogenous labour supply and knowledge-based growth
Ni, Shawn X., (1999)
An empirical analysis of the output effects of temporary and persistent government purchases
Lee, Kiseok, (1997)