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Let's get back to Professor Patrick Chovanec.
1. The U.S. economy has given some very disappointing signs recently. In your view, what are some of the biggest challenges faced by the world's biggest economy?
2. In the face of faltering economic recovery, the Fed has again bought in U.S. Treasuries. Do you believe another round of quantitative easing monetary policies will be initiated by the U.S. and then followed by European countries?