Keynesian macroeconomists believe that the time it takes for falling wages and prices to eliminate a recessionary gap is long enough to say that the economy is not self-regulating.
Step-by-step explanation:
John Maynard Keynes was a famous British economist who is known for his theory on cause of prolonged unemployment. His vision on economy drew many economists away from the classical view which states that the market economy can regulate itself to avoid periods of excessive unemployment.
Keynes declares that technology and new innovations contribute to the investment. He also confesses that uncertainty stops the individual from spending and investing in businesses, so government should take precautions get the economy back on track.