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• Working Paper | 2019

  A Quantity-Driven Theory of Term Premiums and Exchange Rates

  Robin Greenwood, Samuel G. Hanson, Jeremy C. Stein and Adi Sunderam

  We develop a model in which risk-averse, specialized bond investors must be paid to absorb shocks to the supply and demand for long-term bonds in two currencies. Since long-term bonds and foreign exchange are both exposed to unexpected movements in short-term interest rates, our model naturally links the predictability of long-term bond returns to the predictability of foreign exchange returns. Specifically, a shift in the net supply of long-term bonds in one currency influences bond term premiums in both currencies as well as the foreign exchange rate between the two currencies. Our model matches several important empirical patterns, including the co-movement between exchange rates and bond term premiums as well as the finding that central banks' quantitative easing policies impact not only local-currency long-term yields, but also foreign exchange rates. We also show that this quantity-driven approach provides a unified account explaining both why foreign exchange tends to outperform when the foreign interest rates exceed domestic rates and why long-term bonds tend to outperform when the yield curve is steep.

  Keywords: term premium; exchange rate; Bonds; Currency; Theory;

  Citation:

  Greenwood, Robin, Samuel G. Hanson, Jeremy C. Stein, and Adi Sunderam. "A Quantity-Driven Theory of Term Premiums and Exchange Rates." Working Paper, November 2019.  View Details

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• Working Paper | 2019

  Reflexivity in Credit Markets

  Robin Greenwood, Samuel G. Hanson and Lawrence J. Jin

  Reflexivity is the idea that investors' biased beliefs affect market outcomes, and that market outcomes in turn affect investors' beliefs. We develop a behavioral model of the credit cycle featuring such a two-way feedback loop. In our model, investors form beliefs about firms' creditworthiness, in part by extrapolating past default rates. Investor beliefs influence firms' actual creditworthiness because firms that can refinance maturing debt on favorable terms are less likely to default in the short run—even if fundamentals do not justify investors' generosity. Our model is able to match many features of credit booms and busts, including the imperfect synchronization of credit cycles with the real economy, the negative relationship between past credit growth and the future return on risky bonds, and "calm before the storm" periods in which firm fundamentals have deteriorated but the credit market has not yet turned.

  Keywords: reflexivity; Attitudes; Financial Markets; Forecasting and Prediction; Investment; Credit;

  Citation:

  Greenwood, Robin, Samuel G. Hanson, and Lawrence J. Jin. "Reflexivity in Credit Markets." NBER Working Paper Series, No. 25747, April 2019.  View Details

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• Case | HBS Case Collection | October 2018 (Revised January 2019)

  The Financial Crisis: Hank Paulson in 2008

  Adi Sunderam, Robin Greenwood, Sam Hanson and David Scharfstein

  On the afternoon of Monday October 13, 2008, Hank Paulson Jr., the Secretary of the Treasury of the United States, walked into the large conference room across the hall from his office in the Treasury Department. Joining him were Federal Reserve Chairman Ben Bernanke, President of the Federal Reserve Bank of New York Timothy Geithner, Chair of the Federal Deposit Insurance Corporate Sheila Bair, and the Chief Executive Officers of nine of the largest banks in the United States. This distinguished group had been brought together by the most serious financial crisis since the Great Depression of the 1930s. Financial panic was pushing the U.S. and European financial systems to the brink of failure. Paulson hoped his meeting with the bank CEOs would be a turning point. U.S. financial markets were closed for Columbus Day, and Paulson was planning to announce the latest government actions to stabilize the financial system before markets reopened on Tuesday.

  Keywords: bailout; regulation; Financial Crisis; History; Governing Rules, Regulations, and Reforms; Decision Making; Banking Industry; Financial Services Industry; Real Estate Industry; United States;

  Citation:

  Sunderam, Adi, Robin Greenwood, Sam Hanson, and David Scharfstein. "The Financial Crisis: Hank Paulson in 2008." Harvard Business School Case 219-037, October 2018. (Revised January 2019.)  View Details

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