Secular period is a term used in economics to describe a long-term trend or pattern that is not affected by short-term fluctuations or cycles. It is also known as a very long period. The term "secular" comes from the Latin word "saeculum," which means "century" or "age."

Factors affecting secular period:
Secular periods are influenced by a variety of factors, including:

1. Technological advancements
2. Changes in demographics
3. Natural resource availability
4. Political and economic policies
5. Globalization

Examples of secular periods:
Some examples of secular periods in history include:

1. The Industrial Revolution (1760-1840): This was a period of significant technological advancements that transformed the way goods were produced, leading to a long-term increase in productivity and economic growth.

2. The demographic transition (late 18th century-present): This is a long-term shift from high birth and death rates to low birth and death rates, which has led to changes in family structure, workforce participation, and economic growth.

3. The globalization era (1980-present): This is a period of increased global economic integration, characterized by the growth of international trade, investment, and communication.

Conclusion:
Secular periods are important for understanding long-term economic trends and patterns, as they help to identify underlying factors that can shape economic growth and development over extended periods of time.