Effect of STB on rural smallholders' grain yields, normalized
| Ordinary least square (OLS) | Coarse exact match with OLS adjustment | ||
|---|---|---|---|
| Model 1 | Model 2 | ||
| (1) | (2) | (3) | |
| Panel A: Households' wheat yield, normalized | |||
| Treatment variable | |||
| 1. Is a STB village, 1 = yes | 0.27*** (0.09) | 0.22** (0.09) | 0.23** (0.10) |
| 2. Individual and family characteristics controlled | Yes | Yes | |
| 3. Village characteristics | Yes | Yes | Yes |
| Mean (kg per hectare) | 7,161 | 7,245 | |
| Standard deviations | [937] | [913] | |
| # of clusters | 135 | 65 | |
| # of households | 1,955 | 952 | |
| Panel B: Households' maize yield, normalized | |||
| Treatment variable | |||
| 4. Is a STB village, 1 = yes | 0.12 (0.08) | 0.09 (0.08) | 0.11 (0.10) |
| 5. Individual and family characteristics controlled | Yes | Yes | |
| 6. Village characteristics | Yes | Yes | Yes |
| Mean (kg per hectare) | 8,036 | 8,124 | |
| Standard deviations | [1,379] | [1,353] | |
| # of clusters | 135 | 65 | |
| # of households | 1,950 | 950 | |
| Ordinary least square (OLS) | Coarse exact match with OLS adjustment | ||
|---|---|---|---|
| Model 1 | Model 2 | ||
| (1) | (2) | (3) | |
| Treatment variable | |||
| 1. Is a STB village, 1 = yes | 0.27*** (0.09) | 0.22** (0.09) | 0.23** (0.10) |
| Mean (kg per hectare) | 7,161 | 7,245 | |
| Standard deviations | [937] | [913] | |
| # of clusters | 135 | 65 | |
| # of households | 1,955 | 952 | |
| Treatment variable | |||
| 4. Is a STB village, 1 = yes | 0.12 (0.08) | 0.09 (0.08) | 0.11 (0.10) |
| Mean (kg per hectare) | 8,036 | 8,124 | |
| Standard deviations | [1,379] | [1,353] | |
| # of clusters | 135 | 65 | |
| # of households | 1,950 | 950 | |
Note(s): Robust clustered-standard errors in parentheses, ***p < 0.01, **p < 0.05, *p < 0.1
Source(s): Authors' survey in 2018
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