Description: This article is part of a 2 part series on real options analysis (ROA). Before you can understand the limitations of ROA, you must first understand the difference between risk and uncertainty. This article goes into detail explaining the vast differences between the two phenomena.

Description: After a very challenging year, actuaries need to look back and consider the lessons learned. Have we returned to where we were, or have we moved on to a new norm? What does the COVID-19 pandemic market data tell us that will help us to prepare for future global crises?

Description: This article compares the best estimates of the Investment Section members those who submitted entries for the 3-month Treasury bill rate, 30-year Treasury bond rate and the Dow Jones Industrial Average index value and year-end 1999 with the actuals.

Description: This article focuses on one fundamental modeling assumption — the choice of a benchmark rate or risk-free rate. The author looks at this bond market assumption as a case study of how one needs to monitor fundamental market changes for their impact on assumptions.

Description: “What is the likelihood of market crashes? This article seeks to provide an answer to this and related questions by focusing mainly on the crash of October 1987. Specifically, we shall seek answers to three questions: 1. Given the history of market returns, was the crash of ‘87 unusual? 2. How do conditional variance models such as GARCH behave around periods of extreme moves in the market? 3. What is the impact of the crash on backtesting and performance evaluation?” Editor’s Note: The following article originally appeared in the Winter 1998 issue of The BARRA Newsletter, Horizon, and is reprinted here with permission.

Description: This article explores the market volatility of 2008, and addresses the following question: “was the market behaving inefficiently as appeared to be the case in 2008, or was there something truly rational going on, which for most people was hard to see?”