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.
Short-term shocks to the system cause short-term consequences for the stock market and the economy. On the other hand, major periods of conflict can have more lasting effects on the economy and the stock market. One of the most harmful economic effects of war is a supply shock. A major shock in the supply of goods or labor can severely impact economic productivity.