Table 5.
Point estimates and marginal demand effects in households with 6–23-month-old children from Faisalabad and Hyderabad districts, Pakistan
| Log(demand) | Demand (g/week) | |||
|---|---|---|---|---|
| Current buyers | Potential buyers | |||
| Dependent variable | Mean | se | Mean | se |
| (a) Point estimates | ||||
| Price (per 25 g) | −0·058* | 0·009 | −9·33* | 2·18 |
| Price (per 25 g)×SES | 0·003* | 0·001 | −1·71* | 0·53 |
| Mean current demand | 185·9 | 0·00 | ||
| Mean price paid (per 25 g) | 20·6 | 0·00 | ||
| Number of observations | 610 | 297 | ||
| Adjusted R 2 | 0·153 | 0·161 | ||
| P value (F statistic) | 0·00 | 0·00 | ||
| (b) Marginal effects (g/week) | ||||
| mfxSES1 | 10·47* | 1·59 | 11·03* | 1·77 |
| mfxSES2 | 9·92* | 1·39 | 12·74* | 1·46 |
| mfxSES3 | 8·61* | 1·09 | 14·45* | 1·30 |
| mfxSES4 | 7·52* | 0·86 | 16·15* | 1·35 |
| mfxSES5 | 7·50* | 0·76 | 17·86* | 1·59 |
| mfxSES6 | 7·56* | 0·69 | 19·56* | 1·95 |
| mfxSES7 | 8·65* | 0·78 | 21·27* | 2·37 |
| mfxSES8 | 5·92* | 0·60 | 22·98* | 2·84 |
| mfxSES9 | 5·60* | 0·72 | 24·68* | 3·32 |
| mfxSES10 | 4·02* | 0·70 | 26·39* | 3·82 |
SES, socio-economic status; FPCF, fortified packaged complementary foods; PKR, Pakistani Rupee.
The table shows the results of the first difference model as specified in equations (1) and (2). Part (a) reports the point estimates of the price effect and the price effect by SES on the quantity demanded. Part (b) shows the marginal demand effects for a price decrease of a 25 g sachet of FPCF by 1 PKR (corresponding to an increase of 4–5 %).
*
Denotes statistical significance on the 1 % level.