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Table 5 Diagnostic test.

From: Tripartite relationship between FDI, trade openness and economic growth amidst global economic crisis in Nigeria: application of combined cointegration and augmented ARDL analysis

Diagnostic test Spec 1 Spec 2 Spec 3 Spec 4 Spec 5 Spec 6 Spec 7
Durbin–Watson stat 2.6319   2.5244   2.00387   2.0934   2.1804   2.0851   2.2167  
Jarque–Bera normality test 0.5286 [0.7677] 0.751 [0.6869] 2.0348 [0.3615] 2.0348 [0.3615] 2.5607 [0.2779] 4.9303 [0.8499] 7.5692 [0.1034]
BG serial correlation LM test 8.1523 [0.0170] 4.2948 [0.1168] 6.9903 [0.3550] 14.161 [0.0885] 0.6415 [0.7256] 0.334 [0.0845] 0.8465 [0.6549]
Heteroskedasticity test: ARCH 17.493 [0.2308] 6.189 [0.9974] 4.8624 [0.9378] 17.278 [0.7478] 11.606 [0.6379] 12.288 0.5042 48,255 [0.9393]
Ramsey RESET test 0.4703 [0.5016] 1.0474 [0.3248] 1.7286 [0.2179] 0.8471 [0.6106] 1.0185 [0.3255] 1.2268 [0.2812] 0.8997 [0.3532]
CUSUM & CUSUMSQ   Stable   Stable   Stable   Stable   Stable   Stable   Stable
  1. 4.2 Co-integration result