I don't get this. I keep hearing this in discussions of the FDA and it doesn't make any sense (or cents). France is not expensive because the Euro exchanges at 71 cents to the USD. It's expensive, but that is not why. The Hong Kong dollar exchanges at 7.8 to the USD and that sure doesn't make Hong Kong cheap!
Exchange rates have no direct bearing on the cost of living normalized to the USD. Yes, Europe is expensive and has gotten more so for us as the dollar has slide in relation to the Euro. The change in the exchange rate over the past 4-5 years is indicative of the changing relative costs of many commodities and services, and any short term change is going to be directly felt as a change in dollar costs to visit Europe. But many things were more expensive in Europe than the US even when the Euro was below the USD, and you sure can't say that it is 29% more expensive now just based on the exchange rate.
France is expensive because of high taxes, anti-competitive regulations and business practices, inefficient infrastructure, and an inclination to socialist government policies. The exchange rate has gone in the crapper, because of high oil prices, our uncontrollable hunger for foreign goods, and emerging concerns by foreign (and domestic) investors that our economy is going into a long-term slide due to unrestrained gov't spending and our entanglement in an intractable conflict in the Middle East.
Thanks for listening - now vote NO.