SDI Productions / Getty Images Four key economic concepts consumers should ... or person might have resources another doesn't. Market systems are generally driven by supply and demand.

David has helped thousands of clients improve their accounting and financial systems, create budgets ... conducted in-depth research on social and economic issues and has also revised and edited ...

On the other, there are decentralised systems in which power is divided among various ... effect they have both locally and internationally. Understanding the economic impact of organised crime is ...

Just how important is money? Few would deny that it plays a key role in the economy.­ During the Great Depression of the 1930s, existing economic theory was unable either to explain the causes of the ...