George Buckley & Sumeet Desai: What You Need To Know About Economics Economics Matters. But with confusing things like GDP and interest rates, its often hard to get you head around. So What do you need to know about economics? Find out: What economic growth is and why it mattersHow inflation happensHow jobs are created and lostHow the property market worksWhat central banks do and how it affects the rest of usThe impact of government spending on the economy cuts through the theory to help you to do your job and understand the world around you better. Read More in the What You Need to Know Series and Ger Up to Speed on The Essentials Fast.