Research Article

Simulation Analysis of Threshold Autoregressive Unit Root Tests

Table 1

Critical values for asymmetric unit root tests.

Φ , 𝑐 𝜇 , 𝑤 4.87 5.98 8.61 4.60 5.60 7.78 4.49 5.38 7.48

Φ , 𝑐 𝜇 , 𝑛 5.63 7.02 10.47 5.12 6.33 9.06 4.79 5.85 8.20

The reported results represent critical values for the TAR and MTAR tests under deterministic and consistent threshold estimation using alternative covariance matrix estimators. The results were derived over 50,000 simulations.