Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Aggregate demand is the total demand for all ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...

It has been more than 80 years since the beginning of the Keynesian revolution in economics with the publication of John Maynard Keynes’ The General Theory of Employment, Interest, and Money in 1936.