India, Dec. 22 -- Several trends, states think tank McKinsey, define 2025. The first is the 'Power of One,' which highlights how a single firm can define a nation's economy. In the words of the consultancy, "Single firms can move the productivity needle for entire economies." Less than 100 of the more than 8,000 large firms in the study sample account for nearly two-thirds of the productivity growth in three nations. The former are the so-called 'standouts' that account for the bulk of the employment, as well as high percentages of positive contributions. What is relevant is that the productivity changes are not smooth and, of course, not uniform, but arrive in irregular, but powerful bursts. The latter may emerge as bold strategic moves,...