1. Alexander, L., and Greenberg, J. (2012), “Echo of Financial Crisis Heard in Recent Jobless Claims Drop,” available at www.nomura.com/research.
2. Alexander, L., Zentner, E., and Greenberg, J. (2012), “Seasonal Bias in Sentiment Indicators: Reduced, But Not Eliminated,” available at www.nomura.com/research.
3. Signal Extraction for Nonstationary Time Series
4. Issues Involved With the Seasonal Adjustment of Economic Time Series