The 3 Roles of Health (H) Health plays three roles in the Grossman model: 1.A consumption good 2.An input into production 3.A form of stock/capital (an investment) Bhattacharya,Hyde and Tu-HealthEconomicsBhattacharya, Hyde and Tu – Health Economics The 3 Roles of Health (H) Health plays three roles in the Grossman model: 1. A consumption good 2. An input into production 3. A form of stock/capital (an investment)