We use money everyday, but it's rare to actually think about what money is or what it represents. And in fact many of the people who are the closest to it -- academics, traders, etc. -- understand it the least. On this week's episode of Odd Lots, we talk to Lana Swartz, an Assistant Professor at the University of Virgnia in the department of media studies. We discuss why money can be understood as a form of media, and specifically we talk about her work on Diner's Club, the original charge card.

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Most people have some kind of hazy conception of how the stock market works. Stocks are simple to understand, and there are only so many of them out there to trade. But the bond market is a whole different beast, and in some ways it remains way behind stocks in terms of how technology has changed the industry. On this weeks' Odd Lots podcast, we talk to Bloomberg's Rob Elson, a former trader, who spent decades in the industry. During our conversation, he talks about how he got into the business, how his job changed from the early days to its end, and what he learned about what it takes to succeed in trading.

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We talk a lot on Odd Lots about the idea of investing. But what's it like to actually have to put money to work in some of the trickiest investing environments in history? David Schawel was an equity analyst who suddenly became the manager of a portfolio of subprime mortgage bonds during the worst of the credit crunch. Now he manages fixed-income portfolios for New River Investments. We talk to him about what it was like to manage a subprime portfolio back in 2008, the differences between stocks and bonds, and how to put money to work when lots of people are talking about an overvalued market. 

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Financial markets around the world are stuck in a long period of low volatility and boredom. But one pocket is seeing some wild action -- grains. Spring wheat (a form of high-protein wheat grown in the northern Midwest) has been on a tear, alongside action in soy and corn. What explains the whipsaw? Joe and Tracy speak with Tommy Grisafi, a longtime trader who works as a risk manager at Advance Trading, a firm that helps farmers take advantage of financial markets. Grisafi walks us through the history of the market, how technology is dramatically changing things and why things have suddenly gotten so darn volatile.

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It's no secret that a lot of people in finance like to bet on things. But how many of them take the time to actually beat the house in gambling? On this week's Odd Lots, we talk to Joe Peta, a former Lehman Brothers trader, and the author of "Trading Bases," a book about betting on baseball. Peta started focusing on baseball after a freak accident (getting hit by an ambulance) gave him lots of time to think about applying his trading knowledge to baseball. Eventually he launched a $1 million baseball betting fund that returned 14 percent in a year to his investors. On this episode, Peta talks to us about why baseball is uniquely suited to data analytics, how he was able to exploit market inefficiencies, and what sports betting can teach us about market structure.

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Earlier this month, Dana Gas, a UAE-based company, rocked the world of Islamic finance by announcing that one of its Shariah-compliant bonds was, well, no longer Shariah-compliant. On this week's episode of Odd Lots, we speak to veteran Dubai-based journalist Frank Kane about the rise of Islamic finance (what it is, how it works, why it's grown so fast) and why the Dana Gas announcement is such a big deal.

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