Table 3 Expected change in producer surplus, consumer surplus and total welfare when conventional rearing is replaced by welfare-friendly rearing, considering the possible ranges of demand and supply elasticities values. The minimum and maximum demand and supply elasticities values were according to the published literature, as detailed in Table S8.
Demand elasticity | |||||
|---|---|---|---|---|---|
Min -0.5 | Aver -1.08 | Max -2.75 | |||
Producer surplus change (billion $US) | 1.1061 [1.089; 1.124] | 0.9878 [0.973; 1.003] | 0.9233 [0.909; 0.938] | Min 0.2 | Supply elasticity |
1.3080 [1.288; 1.329] | 1.3106 [1.291; 1.331] | 1.3108 [1.291; 1.331] | Aver 0.42 | ||
1.4469 [1.425; 1.47] | 1.5824 [1.558; 1.607] | 1.6821 [1.657; 1.709] | Max 0.6 | ||
Consumer surplus change (billion $US) | 0.3734 [0.3677; 0.3793] | 0.5957 [0.5866; 0.6051] | 0.7156 [0.7047; 0.727] | Min 0.2 | |
0.2047 [0.2016; 0.2079] | 0.3662 [0.3606; 0.372] | 0.4708 [0.4635; 0.4783] | Aver 0.42 | ||
0.0887 [0.0874; 0.0901] | 0.1732 [0.1705; 0.1759] | 0.2366 [0.2329; 0.2404] | Max 0.6 | ||
Total social welfare change (billion $US) | 1.4795 [1.457; 1.503] | 1.5835 [1.56; 1.608] | 1.6389 [1.614; 1.665] | Min 0.2 | |
1.5127 [1.49; 1.537] | 1.6767 [1.651; 1.703] | 1.7816 [1.755; 1.81] | Aver 0.42 | ||
1.5356 [1.512, 1.56] | 1.7556 [1.729; 1.783] | 1.9187 [1.889; 1.949] | Max 0.6 | ||
