Effects of STL and LTL on wheat productivity
| STL | LTL | |||||||
|---|---|---|---|---|---|---|---|---|
| Code | Variables | Coefficient | t-value | p-value | Variables | Coefficient | t-value | p-value |
| log X1 | Seed cost | 0.55613*** | 3.62 | 0.001 | Seed cost | 0.65207*** | 4.14 | 0.000 |
| log X2 | Land preparation cost | 0.15143 | 1.40 | 0.166 | Land preparation cost | 0.18854* | 1.68 | 0.096 |
| log X3 | Fertilizers cost | 0.25450** | 2.04 | 0.044 | Fertilizers cost | 0.28337** | 2.20 | 0.031 |
| log X4 | Pesticides cost | −0.00804 | −0.11 | 0.914 | Pesticides cost | −0.05521 | −0.71 | 0.479 |
| log X5 | Irrigation cost | 0.01409 | 0.46 | 0.646 | Irrigation cost | 0.01702 | 0.54 | 0.593 |
| log X6 | Labor cost | 0.37050*** | 8.22 | 0.000 | Labor cost | 0.31899*** | 7.18 | 0.000 |
| log X7 | Short-term loan | 0.11560*** | 5.00 | 0.000 | Long-term loan | 0.07923*** | 4.15 | 0.000 |
| C | Constant | −8.82855*** | −5.80 | 0.000 | Constant | −8.95393*** | −5.67 | 0.000 |
| R2 | 0.6652 | 0.6391 | ||||||
| Adj R2 | 0.6366 | 0.6083 | ||||||
| F-Statistic | 23.28 | 20.74 | ||||||
| Prob>F | 0.0000 | 0.0000 | ||||||
| STL | LTL | |||||||
|---|---|---|---|---|---|---|---|---|
| Code | Variables | Coefficient | Variables | Coefficient | ||||
| Seed cost | 0.55613*** | 3.62 | 0.001 | Seed cost | 0.65207*** | 4.14 | 0.000 | |
| Land preparation cost | 0.15143 | 1.40 | 0.166 | Land preparation cost | 0.18854* | 1.68 | 0.096 | |
| Fertilizers cost | 0.25450** | 2.04 | 0.044 | Fertilizers cost | 0.28337** | 2.20 | 0.031 | |
| Pesticides cost | −0.00804 | −0.11 | 0.914 | Pesticides cost | −0.05521 | −0.71 | 0.479 | |
| Irrigation cost | 0.01409 | 0.46 | 0.646 | Irrigation cost | 0.01702 | 0.54 | 0.593 | |
| Labor cost | 0.37050*** | 8.22 | 0.000 | Labor cost | 0.31899*** | 7.18 | 0.000 | |
| Short-term loan | 0.11560*** | 5.00 | 0.000 | Long-term loan | 0.07923*** | 4.15 | 0.000 | |
| Constant | −8.82855*** | −5.80 | 0.000 | Constant | −8.95393*** | −5.67 | 0.000 | |
| 0.6652 | 0.6391 | |||||||
| Adj | 0.6366 | 0.6083 | ||||||
| 23.28 | 20.74 | |||||||
| Prob> | 0.0000 | 0.0000 | ||||||
Notes: SLT, short-term loan users; LTL, long-term loan users. *,**,***Significant at 10, 5 and 1 percent levels, respectively
Source: Researchers’ own calculations, Field Survey (2016)
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