summing up an abbreviation is a shortening of a word or a phrase an acronym is an abbreviation that forms a word an initialism is an abbreviation that uses the first letter of each word in the phrase thus some but not all initialisms are acronyms
ROI, or return on investment, is a common business term used to identify past and potential financial returns. Managers and executives look to the ROI of a project or endeavor because this indicates how successful a venture will be.
YVONNE M. MCNULTY AND PHYLLIS THARENOU Expatriate Return on Investment A Definition and Antecedents Abstract: Expatriate return on investment (ROI) is undoubtedly an important topic, as evidenced by the considerable efforts of multinational corporations (MNCs) to find cost-reducing alternatives to long-term international assignments.