Table 4 Estimates of the expenditure elasticity of demand for prescription drugs
Paper | Type of cost sharing | Expenditure elasticity |
|---|---|---|
Contayannis et al. [107] (CA, NS, CD, R) | Change from co-payment to co-insurance | -0.16 to -0.12 |
Klick and Stratmann [25] (US, OS, CD, R) | Mixed system | -1.07 |
Phelps and Newhouse [122] (CA/UK, OS, CD, NR) | Co-insurance | -0.07a |
Smart and Stabile [100] (CA, NS, CD, R) | Mixed system | -0.29 to -0.28 |
Van Vliet [97] (NE, OS, CD, R) | Deductible | -0.06 |
Van Vliet [98] (NE, OS, CD, R) | Deductible | -0.08 |