"Stationarity: Unit Root ADF with single breakpoint";Variable;"Null hypothesis";"Break Date (Level)";"Computed ADF ‘t’ values at level (‘p’ values in parenthesis)";"Computed ADF ‘t’ values at 1st diff (‘p’ values in parenthesis)";"Test Results"
"Ln. Trade Openness (TO)";"Ln. Trade Openness (TO) has a unit root";2003;"-4.19 (0.26)";"-7.39 (<0.01)";"Null Rejected at 1st diff"
"Ln. Urbanization (URB)";"Ln. Urbanization (URB) has a unit root";1991;"-3.83 (0.483)";"-15.03 (<0.01)";"Null Rejected at 1st diff"
"Ln. Bio-Capacity (BC)";"Ln. Bio-Capacity (BC) has a unit root";2001;"-6.32 (<0.01)";"-11.28 (<0.01)";"Null Rejected at level prices"
"Ln. Ecological Footprint (EFP)";"Ln. Ecological Footprint (EFP) has a unit root";2001;"-5.18 (0.018)";"-10.18 (<0.01)";"Null Rejected at level prices"
"Ln. GDP Const. 2015 prices (GDP)";"Ln. GDP (GDP) has a unit root";1978;"-4.13 (0.29)";"-9.98 (<0.01)";"Null Rejected at 1st diff"
"BPG Heteroscedasticity test";"Obs R2:13.78, Prob. χ2 (12): 0.315";"No hetero-scedasticity"
"Serial correlation :  Box & Pierce (Q)";"AC(1) : ‘p’ value : 0.147 AC(5) : ‘p’ value : 0.366 AC(10): ‘p’ value:0.679";"No serial correlation"
"Ramsey specification test";"Square of the fitted term (Y^t)2 has a ‘p’ value of 0.98";"No specification error"