Colloquially, it's been said that, in the right situations, business synergies can result "one plus one equals three." For the business appraiser tasked with valuing either business or the combination of the two, verifying and quantifying this expression creates a unique set of challenges. In Valuing Synergies, expert appraisers Jeff Litvak and Brent Miller discuss the identification, quantification, and assessment of synergies and what every appraiser should know when faced with the difficult task of proving that one plus one does—or does not—equal three.