Operational issues and network effects in vaccine markets

Area of Science:

• Public Health
• Health Economics
• Vaccinology

Background:

• Infectious disease prevention is crucial for public health.
• Vaccines are the most effective prevention method, but optimal coverage is hard to achieve.
• Challenges include supply-side operational issues (e.g., yield uncertainty) and demand-side negative network effects.

Purpose of the Study:

• To explore how a central policymaker can achieve socially optimal vaccine coverage.
• To analyze incentive mechanisms for both consumers and vaccine manufacturers.
• To address market failures in vaccine supply and demand.

Main Methods:

• Economic modeling of a monopoly market for an imperfect vaccine.
• Analysis of incentive structures for manufacturers and consumers.
• Evaluation of different subsidy strategies.

Main Results:

• A fixed two-part subsidy is insufficient to coordinate the market effectively.
• A two-part menu of subsidies can successfully induce socially optimal vaccine coverage.
• Addressing both production uncertainties and free-riding behavior is key.

Conclusions:

• Policy interventions are necessary to overcome market inefficiencies in vaccine markets.
• A carefully designed menu of subsidies can align private incentives with public health goals.
• This approach can lead to efficient vaccine coverage and improved public health outcomes.