| Series | ADF test stat | 5% critical value | Order | Remarks |
| logGDP | −1.488 | −3.562 | I(0) | Not stationary |
| logMS | −2.792 | −3.557 | I(0) | Not stationary |
| logER | −2.036 | −3.5529 | I(0) | Not stationary |
| logLR | −2.985 | −3.5529 | I(0) | Not stationary |
| logIR | −2.8093 | −3.5578 | I(0) | Not stationary |