1. The seasonal cycle and the business cycle;Barsky;Journal of Political Economy,1989
2. Seasonality in U.S. manufacturing;Beaulieu;NBER WP no. 3450,1990
3. A cross country comparison of seasonal cycles and business cycles;Beaulieu;NBER WP no. 3459,1990
4. Why do countries and industries with large seasonal cycles also have large business cycles;Beauliey;Quarterly Journal of Economics,1990
5. Seasonality and equilibrium business cycle theories;Braun,1990