“…20 Raines and Stockman (2010) and Stockman (2010) This paper can be extended in several directions. For example, it would be worthwhile to incorporate multiple production sectors (Meng, 2003;Meng & Velasco, 2004;Weder, 2001), and to consider government expenditure, public debt, and taxes (Huang et al, 2017;Koyunc & Turnovsky, 2016;Morimoto, Hori, Maebayashi & Futagami, 2017; Le Van et al, forthcoming). In addition, I can consider features that are commonly adopted in the new-Keynesian literature, such as price stickiness, wage rigidity, and investment adjustment costs, among others.…”