Park, Joon Y.; Shintani, Mototsugu - Vanderbilt University Department of Economics - 2005
This paper considers the test of a unit root in transitional autoregressive models. In particular, we develop the … asymptotic theory of the inf-t test for the null hypothesis of a unit root in a wide class of nonlinear autoregressive models … essential feature of the unit root test in transitional autoregressive models, which has been ignored in the literature. For …