Economics Homework Help

I need assistance answering these two-part questions.

Part A

Read the articles attached and examine the idea that financial markets are expected to be efficient. Analyze the factors that contribute to an efficient market where prices of securities reflect available information. Part A must be a minimum of 400 words.

Part B

Discuss how changes in the perception of risk during the financial crisis of 2007-2009 resulted in major movement of financial flows, causing significant changes in the values of financial securities and currencies. Evaluate how these changes in value impacted the economy. Part B must be a minimum of 400 words.

Please include all references in text where used. Also please use at least 2 scholarly or academic sources to answer Part B. The attached articles are to be used to answer Part A