Mantalos, Panagiotis - In: Cogent Economics & Finance 5 (2017) 1, pp. 1-12
In this paper, we introduce a set of critical values for unit root tests that are robust in the presence of conditional …-modified critical values either have the same power as, or slightly better than, tests using conventional Dickey-Fuller critical values … Carlo methods. In terms of the size of the test, our analysis reveals that unit root tests with NoVaS-modified critical …