Given x 0 , a point of a convex subset C of a Euclidean space, the two following statements are proven to be equivalent: (i) every convex function f : C → ℝ is upper semi-continuous at x 0 , and (ii) ...

Running a successful company requires an understanding of how to serve customers, regardless of market conditions. Business continuity plans help companies stay running during natural disasters, ...

A well-structured — and well-rehearsed — business continuity and disaster recovery plan is more urgent than ever. Here’s how to keep your company up and running through interruptions of any kind. The ...

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 ...