| Boston | Biskra | |
| Coke bottle | USD 1.80 | USD 0.69 |
| Utilities (Electricity, Heating, ...) for medium apartment | USD 204.32 | USD 48.23 |
| Tomato (1kg) | USD 5.62 | USD 0.88 |
| Gasoline (1 liter) | USD 1.00 | USD 0.28 |
| Apartment (1 bedroom) outside of centre | USD 1 317.50 | USD 100.88 |