The basic Keynesian model centers on consumption. Before I go further, the Keynesian model is based on the works of John Maynard Keynes, an economist of the 20th century whose writings were very influential in shaping the economic framework that has been applied for the last half century. You can read more about Keynes here and here. What is Consumption? In its very basic definition, consumption is the total spending on consumer goods over a period of time (generally a... Read more