Table 4 |
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|
Price and income elasticity of demand, by ES group |
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| Price elasticity of demand |
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|
|
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| Estimated coefficient (95% CI) |
Price elasticity of demand, evaluated at: |
|||
|
|
||||
| Mean WTP (N101.7) |
25th Percentile (N200) |
Actual selling price (N350) |
||
|
|
||||
| Q1 |
-0.009 (-0.01, -0.006) |
-0.92 |
-1.8 |
-3.15 |
| Q2 |
-0.007 (-0.008, -0.006) |
-0.71 |
-1.4 |
-2.45 |
| Q3 |
-0.008 (-0.009, -0.007) |
-0.81 |
-1.6 |
-2.8 |
| Q4 |
-0.006 (-0.007, -0.006) |
-0.61 |
-1.2 |
-2.1 |
| Q5 |
-0.006 (-0.007, -0.005) |
-0.61 |
-1.2 |
-2.1 |
|
|
||||
| Income elasticity of demand |
||||
|
|
||||
| YED (102) |
YED (200) |
YED (350) |
||
|
|
||||
| Q2 to Q3 |
0.26 |
0.05 |
0.16 |
|
| Q3 to Q4 |
0.31 |
0.52 |
1.16 |
|
| Q4 to Q5 |
0.05 |
0.02 |
-0.13 |
|
|
|
||||
|
Note: Income elasticity of demand = YED |
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|
Onwujekwe et al. Malaria Journal 2004 3:6 doi:10.1186/1475-2875-3-6 |
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