How is time scarce a resource

If you want something done quickly you can use time scarce as a resource. If someone's time was scarce then they would have to complete that certain task quickly.

Explanation:

the pogroms became known as kristallnacht, the "night of shattered glass," for the shattered glass from the store windows that littered the streets. the morning after the pogroms 30,000 german jewish men were arrested for the "crime" of being jewish and sent to concentration camps, where hundreds of them perished.