By decreasing the expected returns from supplying the Medicaid market, the associated risks and opportunity costs may be high enough to deter manufacturers from entering the market. This policy exacerbates the risk of shortages and offers little benefit in terms of reducing public spending.
The Medicaid CPI Rebate, which is intended to prevent price spikes in pharmaceutical markets, may be affecting generic markets in ways that exacerbate the pressures on generic manufacturers that can lead to instability.