This paper introduces a new algorithm, the recursive upwind Gauss–Seidel method, andapplies it to solve a standard stochastic growth model in which the technology shocksexhibit heteroskedasticity. This method exploits the fact that the equations definingequilibrium can be viewed as a set of...

Several authors have documented a reduced variability ofoutput and inflation in the United States since the beginningof the 1980s.1 In fact, a comparison of the 1980:1-2001:2 periodwith the two preceding decades shows that the standarddeviation of quarterly output growth has fallen 30...