Pedroni (1999) | Aggregate aid | Disaggregate aid |
Panel PP t-statistic | −11.23613* | −4.301020* |
Panel ADF t-statistic | −2.01403* | −6.948675* |
Group PP t-statistic | −13.01415* | −18.91068* |
Group ADF t-statistic | −0.73197* | −5.101243* |
Kao (1999) |
|
|
ADF t-statistic | 4.73521* | −9.241825* |