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Table 3 Mean daily khat demand volume in response to different price levels

From: Impact of khat price increases on consumption behavior – price elasticity analysis

Intervention Mean quantity in grams (95% CI)* Percentage decrease
Historical prices (150 SR) 813.6 (787.54, 839.60) 0.00
Current prices (600 SR) 720.0 (692.11, 747.89) 11.50
10% price increase (660 SR) 547.1 (527.07, 576.21) 32.76
20% price increase (720 SR) 537.9 (518.42, 557.30) 33.89
30% price increase (780 SR) 457.1 (439.47, 474.81) 43.82
40% price increase (840 SR) 371.4 (351.76, 391.10) 54.35
50% price increase (900 SR) 333.6 (315.67, 351.47) 59.00
  1. One bunch is 1000 g (one kilogram), 1 U$ = 3.75SR
  2. Note * = p < .001