What is the relationship between Eurozone and euro in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

The higher equity-risk premium on euro area equities and prospects for growth in the Eurozone to converge with that in the US means European shares offer more upside potential than both UK and American stocks, Societe Generale (Paris: FR0000130809 - news ) said in a research report e-mailed to clients.

Answer: currency