VECM Granger causality test for R&D intensity
| Independent variables | Short-run effects | Long-run effects | ||
|---|---|---|---|---|
| Dependent variables | ECT T-stats | |||
| Full sample | ||||
| – | 6.97** | 1.42 | −3.281** | |
| 3.86** | – | 6.57** | −5.742*** | |
| 6.71** | 1.55 | – | −4.850** | |
| Africa | ||||
| – | 2.94* | 2.06 | −2.568** | |
| 3.89** | – | 2.68* | 3.994** | |
| 1.17 | 2.21 | – | 0.788 | |
| Asia | ||||
| – | 3.21** | 2.07 | −2.644* | |
| 2.96* | – | 1.52 | −4.230*** | |
| 6.97** | 1.07 | – | −3.735** | |
| Europe | ||||
| – | 1.06 | 1.05 | −3.270** | |
| 8.78** | – | 0.47 | 0.321 | |
| 18.75** | 0.32 | – | −3.950** | |
| North America | ||||
| – | 0.77 | 1.22 | −3.641** | |
| 3.47** | – | 1.89 | −0.684 | |
| 1.12 | 0.37 | – | −3.545** | |
| South America | ||||
| – | 1.23 | 0.57 | −1.139 | |
| 2.46* | – | 2.57* | −3.654** | |
| 2.69* | 1.31 | – | −0.108 | |
| Independent variables | Short-run effects | Long-run effects | ||
|---|---|---|---|---|
| Dependent variables | ECT | |||
| Full sample | ||||
| – | 6.97** | 1.42 | −3.281** | |
| 3.86** | – | 6.57** | −5.742*** | |
| 6.71** | 1.55 | – | −4.850** | |
| – | 2.94* | 2.06 | −2.568** | |
| 3.89** | – | 2.68* | 3.994** | |
| 1.17 | 2.21 | – | 0.788 | |
| – | 3.21** | 2.07 | −2.644* | |
| 2.96* | – | 1.52 | −4.230*** | |
| 6.97** | 1.07 | – | −3.735** | |
| – | 1.06 | 1.05 | −3.270** | |
| 8.78** | – | 0.47 | 0.321 | |
| 18.75** | 0.32 | – | −3.950** | |
| – | 0.77 | 1.22 | −3.641** | |
| 3.47** | – | 1.89 | −0.684 | |
| 1.12 | 0.37 | – | −3.545** | |
| – | 1.23 | 0.57 | −1.139 | |
| 2.46* | – | 2.57* | −3.654** | |
| 2.69* | 1.31 | – | −0.108 | |
Note(s): ***, ** and * denote significance levels at 1%, 5% and 10% respectively