- Testing for A Unit Root Against Transitional Autoregressive Models (with Joon Y. Park), May 2009.
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- The Law of One Price Without the Border: The Role of Distance Versus Sticky Prices (with Mario J. Crucini and Takayuki Tsuruga), April 2009.
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NBER Working Paper No. 14835
- Accounting for Persistence and Volatility of Good-level Real Exchange Rates: The Role of Sticky Information (with Mario J. Crucini and Takayuki Tsuruga), March 2009.
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NBER Working Paper No. 14381 (old version)
- Can News Be a Major Source of Aggregate Fluctuations? A Bayesian DSGE Approach (with Ippei Fujiwara and Yasuo Hirose), July 2008.
Bank of Japan IMES Discussion Paper 08-E-16
- Spurious Regressions in Technical Trading: Momentum or Contrarian? (with Tomoyoshi Yabu and Daisuke Nagakura), June 2008.
Bank of Japan IMES Discussion Paper 08-E-09