We model the allocation of time resources by adult children between competing caring activities - those towards co-residing elderly and those towards co-residing children. We test the implications of our model for children’s school performance by focusing on Indonesia, a country characterized...

Background: Order picking is a critical activity in end-product warehouses, particularly using the picker-to-part system, entail substantial manual labor, representing approximately 60% of warehouse work. Methods: This study develops a new linear model to perform batching, which allows for...