Johnson: What is a foreign language worth?economist.com JOHN­SON...

Johnson: What is a foreign language worth?

economist.com

JOHN­SON is a fan of the Freako­nom­ics books and columns. But this week’s pod­cast makes me won­der if the team of Stephen Dub­n­er and Steven Levitt aren’t over­stretch­ing them­selves a bit. “Is le …