Economy US economic growth in Q4 revised up to 2.9% rate Updated : March 29, 2018 06:26 AM IST The gross domestic product, the country's total output of goods and services, grew at a faster clip than its previous estimate of 2.5%, the Commerce Department reported Wednesday. Interest rate increases from the Federal Reserve to guard against inflation and rising rates triggered by increasing government deficits are expected to slow growth in coming years. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.