Ndicate whether each of the following events will increase, decrease, or have no effect on long-run aggregate supply (lras). event effect on lras the united states experiences a wave of immigration. congress reduces unemployment benefits. the united states closes itself to international trade. a severe hurricane damages factories along the east coast.

Asupermarket has been experiencing long lines during peak periods of the day. the problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to the day of the week. there are usually enough workers on the job to open all cash registers. the problem is knowing when to call some of the workers stocking shelves up to the front to work the checkout counters. how might decision models the supermarket? what data would be needed to develop these models?