An economic reason for the institution of serfdom was to maintain?

An economic reason for the institution of serfdom was to maintain a stable labor force for agriculture, which was vital for sustaining feudal economies. Serfs were bound to the land and required to work for their lords, ensuring a steady supply of labor for farming and food production. This system allowed landowners to secure economic returns from their estates while limiting the mobility of workers, which helped to stabilize the social and economic hierarchy of the time.