Answer:
Industry or external changes impact your economic activity due to a large number of factors that come from the economic system.
An economic system could be understood as any way that human beings have set for material provisioning. A wide range of social customs and institutions had been deployed in several economic activities arranged for material provisioning.
For example, employment and wages can affect consumer goods demand. Therefore, the more people are getting an income, the more people are spending purchases. Also, the level of wages affects consumer spending. If wages are paralyzed or decreasing, demand for consumer goods is likely to drop.