Since 1854, the United States has experienced 32 business cycles. While the average length of these cycles (trough-to-trough) has been 51 months, there has been significant variation across different subperiods. This paper attempts to explore the relationship between capital accumulation, technology accumulation, and the business cycle.
Stiver, John D., "Technology, Investment, and Economic Fluctuations" (2003). Economics Working Papers. 200332.