McCallum, Bennett T. <br/><br/>
Determinacy, Learnability, Plausibility, and the Role of Money in New Keynesian Models / 
Bennett T. McCallum. 
 - Cambridge, Mass.  National Bureau of Economic Research  2012. 
 - 1 online resource:  illustrations (black and white); 
 - NBER working paper series  no. w18215 .
 - Working Paper Series (National Bureau of Economic Research)  no. w18215. .
<br/><br/> July 2012. 
<br/><br/> Recent mainstream monetary policy analysis focuses on rational expectation solutions that are uniquely stable.  A number of recent studies have examined the question of whether typical New Keynesian (NK) models, with policy rules that satisfy the Taylor principle, also exhibit solutions with explosive inflation that cannot be ruled out by any transversality condition or any other generally accepted economic principle.   This paper contributes to that debate by supporting and developing previous arguments suggesting that such explosive solutions are informationally infeasible.  It also critiques prevailing notions of "determinancy" and outlines two alternative approaches to solution selection. 
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