The pandemic has rolled back decades of economic progress and wrought havoc on public finances. To build back better and fight climate change, sizable public investment needs to be sustainably financed. Boosting long-term growth—and thereby tax revenue—has rarely felt more pressing. But what are the drivers of long-term growth? Productivity—the ability to create more outputs with the same inputs—is an important one. In our latest World Economic Outlook, we emphasize the role of innovation in stimulating long-term productivity growth. Surprisingly, productivity growth has been declining for decades in advanced ... (full story)