Table 1 Results of ADF unit root test including (trend and intercept)
From: Economic outlook of rice crops in Pakistan: a time series analysis (1970–2015)
Variables | At level | First difference | ||
|---|---|---|---|---|
t-Statistic | Critical values | t-Statistic | Critical values | |
LnAGR | −2.123963 (0.5189) | 1% -4.175640 5% -3.513075 10% -3.186854 | −6.967641* (0.0000) | 1% -4.180911 5% -3.515523 10% -3.188259 |
LnOPRICE | −4.327917* (0.0067) | 1% -4.175640 5% -3.513075 10% -3.186854 | −4.260702* (0.0092) | 1% -4.226815 5% -3.536601 10% -3.200320 |
LnARRICE | −6.570315* (0.0000) | 1% -4.175640 5% -3.513075 10% -3.186854 | −5.999122* (0.0001) | 1% -4.192337 5% -3.520787 10% -3.191277 |
LnWA | −1.812550 (0.6812) | 1% -4.186481 5% -3.518090 10% -3.189732 | −8.746813* (0.0003) | 1% -4.186481 5% -3.518090 10% -3.189732 |