Economist Richard Baldwin Says the Optimism About the Eurozone May

Economist Richard Baldwin says the optimism about the Eurozone may be unjustified. His research suggests trade increases in the Eurozone as a result of the currency union:

A) are much larger than previous estimates or forecasts and likely to show future gains.
B) are much smaller than previous estimates or forecasts and unlikely to show future gains.
C) are less stable and subject to wide variations.
D) could be much larger if poor and unstable economies were not in the Eurozone.