Chatelain, Jean-Bernard; Ralf, Kirsten - In: Economics Bulletin 40 (2020) 2, pp. 1797-1803
With non-controllable auto-regressive shocks, the welfare of Ramsey optimal policy is the solution of a single Riccati equation of a linear quadratic regulator. The existing theory by Hansen and Sargent (2007) refers to an additional Sylvester equation but miss another equation for computing the...