President Trump has been nothing if not bold in his promises to generate supercharged economic growth.

When a report showed a strong 3.3 percent growth rate last fall, he said, “I see no reason why we don’t go to 4 percent, 5 percent, and even 6 percent,” and he has spoken wistfully of emerging economies where growth can reach higher than that.

Even if you treat those musings as presidential bombast, his administration is making detailed projections that the economy will expand much faster in the decade ahead than it has in recent years — a forecast that underpins the Trump policy agenda.

Digital essay