Keynes, Kelton, and Money
"Economists typically distinguish between cost-push and demand-pull drivers of inflationary pressures...For example, a serious drought could lead to massive crop failures and food shortages that send prices soaring as supply collapses...Demand-pull inflation occurs when businesses raise prices due to changes in buying habits...Think of it this way. Every economy has its own internal speed limit. It's only possible to produce so much, at any point in time, given the real resources – people, factories, machines, raw materials – available in that moment. During a recession, people lose jobs and companies turn off machines and allow them to sit idle. In that environment, spending can safely increase because workers can be rehired, and machines can be brought back online to produce more output." [pages 46-47]