NASA EXPLAINS DUST BOWL DROUGHT. NASA scientists have an explanation for one of the worst climatic events in the history of the United States, the Dust Bowl drought, which devastated the Great Plains and all but dried up an already depressed American economy in the 1930's.
The short run [in economics] is a period of time in which the quantity of at least one input is fixed and the quantities of the other inputs can be varied. The long run is a period of time in which the quantities of all inputs can be varied.
Keynesian economics is a theory of total spending in the economy (called aggregate demand) and its effects on output and inflation.Although the term has been used (and abused) to describe many things over the years, six principal tenets seem central to Keynesianism.The first three describe how the economy works.1.eynesian economics is a theory of total spending in the economy (called aggregate demand) and its effects on output and inflation.