From: vjp2@BioStrategist.com
Newsgroups: sci.econ:416608
Subject: Declining Growth in Valuation
Date: Sun, 14 Aug 2016 
Message-ID: noqrth$gij$1@reader2.panix.com

When Liebowitz  got the IAQF award he asked about declining growth.
I tried sigmod models but they didn't integrate nicely, hyperbolic did.
Declining Growth: "Integrate[Exp[(g/t-r)t],{t,0,Infinity}]" -> Exp(g)/r
Gordon: "Integrate[Exp[(g-r)t],{t,0,Infinity}]" -> 1/(r-g)