1. Rejda, G. E., & McNamara, M. J. (2017). Principles of Risk Management and Insurance (13th ed.). Pearson. In Chapter 1, "Risk and Its Treatment," the text defines pure risk as "a situation in which there are only the possibilities of loss or no loss" (p. 6). It contrasts this with speculative risk, which involves the possibility of profit or loss.
2. Vaughan, E. J., & Vaughan, T. (2013). Fundamentals of Risk and Insurance (11th ed.). John Wiley & Sons. Chapter 1, "The Problem of Risk," distinguishes between pure and speculative risk, stating, "Pure risk involves the chance of loss or no loss only... Speculative risk describes a situation where there is a possibility of loss but also a possibility of gain" (p. 8).
3. University of Georgia, Terry College of Business. (n.d.). RMIN 4000: Risk Management and Insurance Courseware. The curriculum defines pure risks as those that are "loss or no loss" situations, typically related to accidental or unforeseen events like fires, floods, and accidents, which are often insurable. Speculative risks are defined as those involving a chance of gain, such as investment and strategic decisions.