Non-parametric regression results for Kenya without county dummies
| Variable | Av. Marginal effect | z-statistic | p-value |
|---|---|---|---|
| Head rice ratio | 0.01 (0.14) | 0.04 | 0.966 |
| Length-width ratio | 0.54 (0.56) | 0.97 | 0.331 |
| Amylose content | −0.34 (0.12) | −2.75 | 0.006 |
| Peak viscosity | 0.0002 (0.0003) | 0.63 | 0.530 |
| Impurities | −9.95 (5.75) | −1.73 | 0.083 |
| Variable | Av. Marginal effect | ||
|---|---|---|---|
| Head rice ratio | 0.01 (0.14) | 0.04 | 0.966 |
| Length-width ratio | 0.54 (0.56) | 0.97 | 0.331 |
| Amylose content | −0.34 (0.12) | −2.75 | 0.006 |
| Peak viscosity | 0.0002 (0.0003) | 0.63 | 0.530 |
| Impurities | −9.95 (5.75) | −1.73 | 0.083 |
Note(s): Dependent variable is price in constant international dollars. Figures in parentheses are robust standard errors. N = 227. The estimated average marginal effects are averages of derivatives for continuous variables and averages of contrasts (differences) in the case of dummy variables (StataCorp, 2019)
Source(s): Authors' work