Estimated functions applying the ordered probit model estimation procedure explaining sources of fertilizer information used by farmers in their boro rice fields, study area locations Bangladesh
| Estimation method | Marginal effects | |||
|---|---|---|---|---|
| Dependent variable: source of information | Ordered probit | Y=Pr (source=fertilizer trader) | Y=Pr (source=own/peer experience) | Y=Pr (source=government extension agent) |
| Age, household head | 0.01 (0.004) | 0.002 (0.001) | 0.001 (0.001) | 0.001 (0.001) |
| Female-headed household (dummy, yes=1) | 0.32 (0.27) | −0.10 (0.08) | 0.04** (0.02) | 0.06 (0.06) |
| Years of schooling, household head | 0.01 (0.01) | −0.004 (0.004) | 0.003 (0.002) | 0.002 (0.002) |
| No. of family members engaged in agriculture (extend support or full time) | −0.02 (0.05) | 0.01 (0.02) | −0.003 (0.01) | −0.002 (0.01) |
| Member of club or some other organizations (dummy, yes=1) | 0.21* (0.11) | −0.07 (0.04) | 0.04* (0.02) | 0.03* (0.02) |
| Boro rice area (ha) | −0.28 (0.28) | 0.10 (0.10) | −0.05 (0.05) | −0.04 (0.04) |
| Hybrid rice (dummy, yes=1) | −0.12 (0.13) | 0.04 (0.05) | −0.02 (0.03) | −0.02 (0.02) |
| Distance from household to the nearest market (km) | 0.13** (0.06) | −0.05** (0.02) | 0.03 (0.01) | 0.02** (0.01) |
| No. of markets within 5-km radius | −0.03 (0.05) | 0.01 (0.02) | −0.01 (0.01) | −0.01 (0.01) |
| No. of power tillers in the village | −0.03* (0.018) | 0.01 (0.01) | −0.01 (0.003) | −0.01* (0.003) |
| Village connected to electricity grid (dummy, yes=1) | 0.37*** (0.13) | −0.13*** (0.05) | 0.07*** (0.03) | 0.06*** (0.02) |
| Cumulative length of paved/gravel road at the village level (km) | −0.05*** (0.01) | 0.02*** (0.003) | −0.01*** (0.002) | −0.01*** (0.001) |
| Adequate irrigation water availability (dummy, yes=1) | −0.28** (0.12) | 0.09** (0.04) | −0.05*** (0.02) | −0.05** (0.02) |
| Season 2013–2014 (dummy, base season 2012–2013) | −0.003 (0.003) | 0.001 (0.001) | −0.001 (0.001) | −0.001 (0.0004) |
| Sub-districts (dummies, base=Babuganj) | ||||
| Barisal Sadar | 1.25* (0.69) | −0.27*** (0.07) | −0.08 (0.20) | 0.36 (0.25) |
| Birol | −0.54 (0.59) | 0.20 (0.23) | −0.14 (0.19) | −0.06 (0.05) |
| Char Fasson | 0.80 (0.66) | −0.22 (0.15) | 0.04 (0.06) | 0.18 (0.20) |
| Jhalokati Sadar | −0.20 (0.60) | 0.07 (0.22) | −0.05 (0.15) | −0.03 (0.07) |
| Kalkini | 1.208 (1.02) | −0.26*** (0.10) | −0.08 (0.30) | 0.35 (039) |
| Madaripur Sadar | −0.45 (0.71) | 0.17 (0.28) | −0.12 (0.23) | −0.05 (0.06) |
| Melandaha | 0.0001 (0.60) | −0.00003 (0.21) | 0.00001 (0.12) | 0.00001 (0.09) |
| Nazirpur | −0.25 (0.59) | 0.09 (0.22) | −0.06 (0.15) | −0.03 (0.07) |
| Sharsha | −0.21 (0.60) | 0.08 (0.22) | −0.05 (0.15) | −0.03 (0.07) |
| Wazirpur | −0.16 (0.59) | 0.06 (0.22) | −0.03 (0.14) | −0.02 (0.08) |
| Kalapara | −0.13 (0.61) | 0.05 (0.22) | −0.03 (0.14) | −0.02 (0.08) |
| cut1 | −0.95 (0.72) | |||
| cut2 | 0.95 (0.72) | |||
| No. of observations | 1,112 | |||
| Wald χ2 (25)/F | 74.10 | |||
| Probability>χ2 | 0.00 | |||
| Pseudo R2 | 0.07 | |||
| Log pseudolikelihood | −940.92 | |||
| Estimation method | Marginal effects | |||
|---|---|---|---|---|
| Dependent variable: source of information | Ordered probit | Y=Pr (source=fertilizer trader) | Y=Pr (source=own/peer experience) | Y=Pr (source=government extension agent) |
| Age, household head | 0.01 (0.004) | 0.002 (0.001) | 0.001 (0.001) | 0.001 (0.001) |
| Female-headed household (dummy, yes=1) | 0.32 (0.27) | −0.10 (0.08) | 0.04** (0.02) | 0.06 (0.06) |
| Years of schooling, household head | 0.01 (0.01) | −0.004 (0.004) | 0.003 (0.002) | 0.002 (0.002) |
| No. of family members engaged in agriculture (extend support or full time) | −0.02 (0.05) | 0.01 (0.02) | −0.003 (0.01) | −0.002 (0.01) |
| Member of club or some other organizations (dummy, yes=1) | 0.21* (0.11) | −0.07 (0.04) | 0.04* (0.02) | 0.03* (0.02) |
| −0.28 (0.28) | 0.10 (0.10) | −0.05 (0.05) | −0.04 (0.04) | |
| Hybrid rice (dummy, yes=1) | −0.12 (0.13) | 0.04 (0.05) | −0.02 (0.03) | −0.02 (0.02) |
| Distance from household to the nearest market (km) | 0.13** (0.06) | −0.05** (0.02) | 0.03 (0.01) | 0.02** (0.01) |
| No. of markets within 5-km radius | −0.03 (0.05) | 0.01 (0.02) | −0.01 (0.01) | −0.01 (0.01) |
| No. of power tillers in the village | −0.03* (0.018) | 0.01 (0.01) | −0.01 (0.003) | −0.01* (0.003) |
| Village connected to electricity grid (dummy, yes=1) | 0.37*** (0.13) | −0.13*** (0.05) | 0.07*** (0.03) | 0.06*** (0.02) |
| Cumulative length of paved/gravel road at the village level (km) | −0.05*** (0.01) | 0.02*** (0.003) | −0.01*** (0.002) | −0.01*** (0.001) |
| Adequate irrigation water availability (dummy, yes=1) | −0.28** (0.12) | 0.09** (0.04) | −0.05*** (0.02) | −0.05** (0.02) |
| Season 2013–2014 (dummy, base season 2012–2013) | −0.003 (0.003) | 0.001 (0.001) | −0.001 (0.001) | −0.001 (0.0004) |
| Barisal Sadar | 1.25* (0.69) | −0.27*** (0.07) | −0.08 (0.20) | 0.36 (0.25) |
| Birol | −0.54 (0.59) | 0.20 (0.23) | −0.14 (0.19) | −0.06 (0.05) |
| Char Fasson | 0.80 (0.66) | −0.22 (0.15) | 0.04 (0.06) | 0.18 (0.20) |
| Jhalokati Sadar | −0.20 (0.60) | 0.07 (0.22) | −0.05 (0.15) | −0.03 (0.07) |
| Kalkini | 1.208 (1.02) | −0.26*** (0.10) | −0.08 (0.30) | 0.35 (039) |
| Madaripur Sadar | −0.45 (0.71) | 0.17 (0.28) | −0.12 (0.23) | −0.05 (0.06) |
| Melandaha | 0.0001 (0.60) | −0.00003 (0.21) | 0.00001 (0.12) | 0.00001 (0.09) |
| Nazirpur | −0.25 (0.59) | 0.09 (0.22) | −0.06 (0.15) | −0.03 (0.07) |
| Sharsha | −0.21 (0.60) | 0.08 (0.22) | −0.05 (0.15) | −0.03 (0.07) |
| Wazirpur | −0.16 (0.59) | 0.06 (0.22) | −0.03 (0.14) | −0.02 (0.08) |
| Kalapara | −0.13 (0.61) | 0.05 (0.22) | −0.03 (0.14) | −0.02 (0.08) |
| cut1 | −0.95 (0.72) | |||
| cut2 | 0.95 (0.72) | |||
| No. of observations | 1,112 | |||
| Wald | 74.10 | |||
| Probability> | 0.00 | |||
| Pseudo | 0.07 | |||
| Log pseudolikelihood | −940.92 | |||
Notes: Numbers in parentheses are standard errors calculated based on robust standard errors clustered at the household level. *,**,***Indicate the 10, 5 and 1 percent levels of significance, respectively
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