Table 2 Stationarity test results for vegetable crops retail prices of sampled markets.
From: Analysis of rural–urban vegetable market dynamics in Central Gondar Zone, Ethiopia
Name of market | Crop type | Lag | ADF test statistics (without trend) | |||
|---|---|---|---|---|---|---|
At level | First difference | |||||
ADF statistic | Critical value (1%) | ADF statistic | Critical value (1%) | |||
Gondar | Onion | 2 | − 3.862** | − 3.565 | – | – |
Tomato | 2 | − 3.504* | − 3.565 | – | – | |
Garlic | 1 | − 2.786 | − 3.563 | − 6.582** | − − 3.565 | |
Potato | 1 | − 3.406* | − 3.563 | – | – | |
Maksegnit | Onion | 1 | − 2.784 | − 3.563 | − 7.492** | − 3.565 |
Tomato | 1 | − 3.247* | − 3.563 | – | – | |
Garlic | 3 | − 1.592 | − 3.566 | − 4.478** | − 3.567 | |
Potato | 1 | − 2.526 | − 3.563 | − 6.684** | − 3.565 | |
Koladiba | Onion | 1 | − 3.960** | − 3.563 | – | – |
Tomato | 1 | − 2.890 | − 3.563 | − 6.118** | − 3.565 | |
Garlic | 1 | − 2.464 | − 3.563 | − 6.880** | − 3.565 | |
Potato | 1 | − 3.405* | − 3.563 | – | – | |