"risk spillover" is correct and usable in written English.
You can use it to refer to a situation in which a risk associated with one thing has an effect on something else. For example: "The risk spillover from the failing financial sector had a direct impact on the housing market."
These findings have implications for the design of appropriate asset allocation and regulatory policies to manage risk spillover effects.
After the crisis, however, we find evidence for one-way risk spillover running from the oil market.
Granger causality in risk and detection of extreme risk spillover between financial markets, with Y. Liu and S. Wang, Journal of Econometrics 150 (2009), 271-287.
Within the new developed causality-in-variance approach, this paper builds up a broad methodological framework to more accurately capture the risk spillover effects between global oil prices and Jordanian stock market returns during the period 1 March 2003 31 January 2014.
Results for the pre-crisis period show a lack of risk spillovers between global oil and the Jordanian stock market.
The longer the war persists, the more risk of spillover into Lebanon, Iraq and Jordan.
He has stayed away from the Syrian civil war, despite the risk of spillover – directly or via Lebanon.
As long as the conflict continues, the strategic Bab al-Mandab strait appears set to be mired in conflict; Yemen's Gulf neighbours remain at risk of spillover.
Saudi Arabia, which had a restive Shiʿite population in its eastern province, saw a risk of spillover from Bahrain's Shiʿite majority if protests there succeeded.
Regions highlighted with a high number of predicted wildlife hosts have heightened risk of spillover of flaviviruses because we suspect there is a higher likelihood of suitable sylvatic hosts that could maintain the virus in nature.
This is particularly relevant in the case of zoonoses where higher prevalence and abundance of pathogens in wild reservoirs may increase the risk of spillover in livestock and humans.
