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| Model |
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Level and Variable | Null | Random Intercept and Fixed Slope | Random Intercept and Random Slope | Cross-Level Interaction |
Level 1 Effects |
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Intercept ( ) | 3.920* (0.04968) | −1.230* (0.380) | −1.168* (0.384) | −3.132*** (1.80) |
The predicted slope regressing OSBPs on the movement of goods ( ) | - | −0.055** (0.023) | −0.061** (0.029) | 0.421 (0.432) |
Level 2 Effects |
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The level of change in the movement of goods associated with a 1-unit increase in the level of trade facilitation ( ) | - | 1.255* (0.084) | 1.246* (0.082) | 1.714* (0.425) |
Cross-Level Interaction |
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Cross-level interaction effects ( ) | - | - | - | −0.115 (0.103) |
Variance Components |
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Residuals/the within-group (L1) variance ( ) | 0.119182 | 0.044 | 0.044 | 0.043 |
Intercept/the between-group (L2) variance ( ) | 0.006335 | 0.002 | 0.030 | 0.040 |
Slope (L2) variance ( ) | - | - | 0.001 | 0.002 |
Intercept-slope (L2) variance ( ) | - | - | −0.006 | −0.008 |
Intra-class Correlation (ICC) | 0.05047 | - | - | - |
−2*log likelihood | 102.940 | −35.968 | −37.343 | 36.763 |