The vast majority of global trade is still denominated in U.S. dollars, making cross-border flows about currencies as much as manufactured goods. On this week's episode of the Odd Lots podcast, we speak to Hyun Song Shin, economic adviser and head of research at the Bank for International Settlements. He talks about why a weaker dollar amounts to looser financial conditions for much of the world. He also gives his outlook on the global economy and the state of credit markets.