Why does the size of the expenditure multiplier matter in the real world? Why does it matter to businesses, employees, consumers and policy makers?

Based on what you know about the multiplier, do you think the government took the appropriate response to the Great Recession? Was the fiscal stimulus response to the recession enough, just right, or too much? What evidence can you provide for your conclusion? Find a news article (and include the link in your response) to support your opinion.

Give me references to know where your information is coming from.