Conflating "hype" with the "business cycle" is not a good choice. The content is interesting reading once you move past that.
The business cycle would likely exist in the absence of emotional choices. Part of it is that businesses that are near-failure tend to fail when the economy declines, which causes additional decline. This means that near-failure tends to build up during good times and then fail en masse during a decline.
The business cycle would likely exist in the absence of emotional choices. Part of it is that businesses that are near-failure tend to fail when the economy declines, which causes additional decline. This means that near-failure tends to build up during good times and then fail en masse during a decline.