Description: Regression to the mean is a phenomenon that arises when comparing sequential data points. It states that when an initial observation is extreme or an outlier, future observations will be closer to the average. Health care actuaries need to understand and be able to mitigate the effects of regression to the mean to avoid misapplying predictive models or misstating measurements of historical effects.

Description: The coming wave of biosimilars could have a major impact on prescription drug spend in coming years. The big event of Humira biosimilar launches in 2023 will be significant in determining that ultimate impact. Payers are making coverage decisions. The more biosimilars are utilized, the greater the potential savings. How will biosimilar adoption be maximized?

Description: The big event of 2023 is the launch of multiple Humira biosimilars, which began in January with the arrival of Amgen’s Amjevita on the market. The launch of Amjevita kicks off the process of changing the specialty drug marketplace in the United States. The expectation of the full impact of this big event is very hopeful, but there is still uncertainty several months after its beginning. Humira is the highest-selling drug in the world and has been since 2013 (Figure 1)—except for when COVID-19 projects temporarily surpassed it. The world is eagerly awaiting the launch of multiple biosimilar drugs to compete with Humira and hopefully bring more competitive pricing to the benefit of payers and patients everywhere.

Description: This article provides an overview of behavioral economic theory as it relates to health and welfare insurance plans and provides summaries of two sample applications of the theories: enrollment in health insurance exchanges created by the Patient Protection and Affordable Care Act, and product design considerations in light of vast health illiteracy.

Description: Savings from biosimilars have accelerated significantly in the past few years. There has been a number of relatively recent biosimilar launches that can help to shape our expectations of the financial impact that could result from this year’s big event. Savings from biosimilars have accelerated significantly in the past few years. There has been a number of relatively recent biosimilar launches that can help to shape our expectations of the financial impact that could result from this year’s big event.