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. 2020 Mar 26;6(3):e03566. doi: 10.1016/j.heliyon.2020.e03566

Table 3.

BDS results.

Country Variable Dimension
2 3 4 5
Angola TFP 45.509∗∗∗ 50.641∗∗∗ 57.166∗∗∗ 66.524∗∗∗
EC 49.068∗∗∗ 57.659∗∗∗ 39.749∗∗∗ -3.015∗∗∗
CO2 37.686∗∗∗ 42.934∗∗∗ 49.951∗∗∗ 60.464∗∗∗
Benin TFP 27.056∗∗∗ 26.659∗∗∗ 26.558∗∗∗ 26.865∗∗∗
EC 37.385∗∗∗ 97.458∗∗∗ 21.272∗∗∗ -2.439∗∗
CO2 73.730∗∗∗ 100.251∗∗∗ 142.153∗∗∗ 212.565∗∗∗
Botswana TFP 72.635∗∗∗ 64.543∗∗∗ 57.466∗∗∗ 51.976∗∗∗
EC -34.616∗∗∗ -15.230∗∗∗ -8.931∗∗∗ -5.979∗∗∗
CO2 32.861∗∗∗ 37.513∗∗∗ 43.577∗∗∗ 52.269∗∗∗
Cote d'Ivoire TFP 50.947∗∗∗ 47.557∗∗∗ 44.559∗∗∗ 42.429∗∗∗
EC 70.120∗∗∗ 29.607∗∗∗ 78.313∗∗∗ -7.001∗∗∗
CO2 43.164∗∗∗ 42.660∗∗∗ 42.438∗∗∗ 43.207∗∗∗
Cameroon TFP 26.120∗∗∗ 24.701∗∗∗ 23.437∗∗∗ 22.621∗∗∗
EC 70.028∗∗∗ 608.729∗∗∗ 136.876∗∗∗ 873.091∗∗∗
CO2 29.476∗∗∗ 36.741∗∗∗ 48.229∗∗∗ 65.861∗∗∗
Gabon TFP 42.861∗∗∗ 42.926∗∗∗ 43.218∗∗∗ 44.522∗∗∗
EC -8.347∗∗∗ -3.496∗∗∗ -1.931∗ -2.208∗∗
CO2 36.104∗∗∗ 39.184∗∗∗ 43.151∗∗∗ 48.984∗∗∗
Kenya TFP 56.035∗∗∗ 50.768∗∗∗ 46.221∗∗∗ 42.764∗∗∗
EC 304.960∗∗∗ 597.422∗∗∗ 549.832∗∗∗ 845.015∗∗∗
CO2 41.477∗∗∗ 38.033∗∗∗ 34.951∗∗∗ 32.675∗∗∗
Morocco TFP 69.809∗∗∗ 75.922∗∗∗ 83.621∗∗∗ 94.594∗∗∗
EC 387.109∗∗∗ 997.038∗∗∗ 289.466∗∗∗ 380.630∗∗∗
CO2 61.245∗∗∗ 68.334∗∗∗ 77.577∗∗∗ 90.687∗∗∗
Egypt TFP 48.446∗∗∗ 44.203∗∗∗ 43.090∗∗∗ 41.337∗∗∗
EC -7.716∗∗∗ -3.787∗∗∗ -2.487∗∗ -1.847∗
CO2 56.894∗∗∗ 66.646∗∗∗ 79.719∗∗∗ 98.894∗∗∗
Mozambique TFP 48.039∗∗∗ 44.246∗∗∗ 40.836∗∗∗ 38.331∗∗∗
EC 175.484∗∗∗ 702.179∗∗∗ 383.206∗∗∗ 103.943∗∗∗
CO2 54.852∗∗∗ 69.506∗∗∗ 90.856∗∗∗ 124.011∗∗∗
Nigeria TFP 119.84∗∗∗ 180.093∗∗∗ 287.304∗∗∗ 490.295∗∗∗
EC 478.849∗∗∗ 136.883∗∗∗ 684.882∗∗∗ 390.415∗∗∗
CO2 39,864∗∗∗ 42,099∗∗∗ 44,945∗∗∗ 49,280∗∗∗
Senegal TFP 36.220∗∗∗ 35.793∗∗∗ 35.555∗∗∗ 35.987∗∗∗
EC 138.125∗∗∗ 577.261∗∗∗ 656.311∗∗∗ 454.631∗∗∗
CO2 47.974∗∗∗ 43.841∗∗∗ 40.155∗∗∗ 37.373∗∗∗
Togo TFP 42.674∗∗∗ 42.701∗∗∗ 43.024∗∗∗ 44.358∗∗∗
EC 172.331∗∗∗ 957.638∗∗∗ 129.030∗∗∗ 234.447∗∗∗
CO2 23.451∗∗∗ 22.674∗∗∗ 22.008∗∗∗ 21.732∗∗∗
Tunisia TFP 40.407∗∗∗ 37.010∗∗∗ 33.973∗∗∗ 31.764∗∗∗
EC 74.685∗∗∗ 178.063∗∗∗ 519.482∗∗∗ 166.366∗∗∗
CO2 32.066∗∗∗ 33.037∗∗∗ 34.341∗∗∗ 36.512∗∗∗
Tanzania TFP 40.859∗∗∗ 39.566∗∗∗ 38.504∗∗∗ 38.192∗∗∗
EC 189.916∗∗∗ 281.170∗∗∗ 60.495∗∗∗ 35.189∗∗∗
CO2 37.087∗∗∗ 36.744∗∗∗ 36.636∗∗∗ 37.297∗∗∗
South Africa TFP 51.160∗∗∗ 49.943∗∗∗ 45.730∗∗∗ 41.730∗∗∗
EC 135.097∗∗∗ -8.787∗∗∗ -5.462∗∗∗ -3.879∗∗∗
CO2 460.986∗∗∗ 765.295∗∗∗ 369.096∗∗∗ 674.364∗∗∗
Zimbabwe TFP 70.514∗∗∗ 81.836∗∗∗ 96.927∗∗∗ 118.723∗∗∗
EC 171.533∗∗∗ -9.290∗∗∗ -5.762∗∗∗ -4.084∗∗∗
CO2 43.438∗∗∗ 45.774∗∗∗ 48.757∗∗∗ 53.314∗∗∗

Note: ∗∗∗, ∗∗ and ∗ denote significant at 1%. 5% and 10% level.