Inflation numbers are often seasonally adjusted to differentiate expected cyclical cost shifts. Regulationist economists distinguish between cyclical and structural crises. Many scientists who have studied squid mass strandings believe they are cyclical and predictable. Structural and cyclical deficits are two components of deficit spending. Volterra equations to describe this cyclical inverse relationship. These systems can then be considered cyclical, quasi-periodic, or chaotic. Many climate changes have a random aspect and a cyclical aspect. There is some indication of the cyclical and inter-generational nature of neglect. This represents the fact that all paths lead to the endlessly cyclical nature of creation. In cyclical cultures, time is considered neither linear nor event related. Finkelstein suggested that we are dealing with a long-term process of a cyclical nature. It was seen as a form of cyclical unemployment. All of these changes complicate the task of looking for cyclical behavior in the climate. New developments in world systems research include studies on the cyclical processes. Lila becomes obsessed with the history of Naples and the cyclical nature of human life.