@techreport{NBERt0225,
 title = "Solving Dynamic Equilibrium Models by a Method of Undetermined Coefficients",
 author = "Lawrence J. Christiano",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Technical Working Paper Series",
 number = "225",
 year = "1998",
 month = "February",
 URL = "http://www.nber.org/papers/t0225",
 abstract = {I present an undetermined coefficients method for obtaining a linear approximating to the solution of a dynamic, rational expectations model.  I also show how that solution can be used to compute the model's implications for impulse response functions and for second moments.},
}