Provide a detailed explanation for all parts. thankyou!

a. Why has the US$ depreciated against the Euro in the first 9 months of 2017? What are the factors /causes that have made the Euro be stronger against US$? b. How would cheap or weak dollar affect emerging economies? What would be the implications of cheap dollar especially for developing economies? c. What is volatility (fear) index? How do investors in FOREX market behave in relation to volatility index? d. What is your forecast for the Euro against US dollar? What factors/developments will determine the exchange rate between Euro and Dollar in the coming year?