In current times, Europe is growing faster then US economy. How will this effect the supply/demand in the foreign currency exchange rate for dollar/Euro???

Answer 1

Wow! You need to learn the difference between "then" and "than" as well as "effect" and "affect," as well as other pairs of similar-sounding words if you're going to become truly educated.
http://grammar.ccc.commnet.edu/grammar/notorious.htm
(Scroll down to read the sentences showing the differences.)

Read this:
http://www51.wolframalpha.com/input/?i=euro+to+dollar
If you were taking a vacation in France next week, would you have to take MORE dollars than you would have a year ago?