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Table 2 Design of experiment (parameters per role and round)

From: The impact of reimbursement negotiations on cost and availability of new pharmaceuticals: evidence from an online experiment

State Round Reser-vation price1 Price offer1,2 Deciders Receiver Funders  
Regulator Seller Patient 2 Payers 2 Investors
Benefit1,2 Benefit1,2 Survival (m) Quality of Life (q) Benefit1 Benefit1,3 Benefit1,3
fix bonus fix bonus
State without product         0 50% 0   
Initial state (SoC) 0 50 50 120 x-y 120 y-x 5 50% 25 240 - y y
New product 1 x y 120 x-y 120 y-x 8 50% 40 240 - y y
2 x y 120 x-y 120 y-x 10 50% 50 240 - y y
3 x y 120 x-y 120 y-x 12 50% 60 240 - y y
4 x y 120 x-y 120 y-x 15 50% 75 240 - y y
5 x y 120 x-y 120 y-x 17 50% 85 240 - y y
  1. 1: for groups 3 and 4, amounts in ,000 $ (converted 100,000 $ = 1 US$ at the end of the experiment); for groups 5 and 6, amounts divided by 100 and displayed as $ (converted 1 $ = 1 US$ at the end of the experiment)
  2. 2: additional bonus for successful offer in second game (if agreement possible, yS ≤ yR)
  3. 3. in the first game players see resulting benefits for funders, based on the potential reservation price (240-x and x)
  4. SoC, standard of care (status quo); m, survival in months; q, quality of life on a scale of 1–100%
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