Between credit stress concerns, a hot PPI inflation reading, and tensions between U.S. and Iran, investors have plenty of reasons to stay away from risk assets.

Discover the importance of homoskedasticity in regression models, where error variance is constant, and explore examples that illustrate this key concept.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...