“…Grendadier and Weiss (1997) derive optimal purchase strategies (e.g., leapfrogging) that should be followed under various rate of technological change conditions (Erdem et al, 2005). Taha, Banakar, and Tahriri (2011) develop a decision making model to evaluate and compare new technologies across multiple criteria on a national level (Aggarwal, Jaggi, & Kumar, 2011;Cassone, 2010;Phillips-Wren, Kramer, & Sharkey, 2008).…”