The shifting map of global innovation In the 2015 Global Innovation 1000 study, Strategy&, PwC's strategy consulting group, provides new insights into the ways corporate innovation spending—which totaled $680 billion last year—has been changing in recent years, and examines the implications both for the future course of global economies and for corporate performance. How and where innovation is performed matters: As Harvard Business School professor Michael Porter, author of classic texts on corporate strategy and the competitive advantage of nations, has noted, “Innovation is the central issue in economic prosperity.”