${?}_5$ Unemployment $-$ End of Chapter Problem

Why is it possible to find many job openings online in shrinking industries such as newspaper publishing or brick$-$and$-$mortar $c^c$ retail? Select all that apply.

The ads appear because

the largest source of job openings comes from people leaving their jobs.

with the state of technology now, everything is done online these days."

there is a lot of movement of labor in industries, even declining ones.

it is done in an attempt to reverse the decline of the industry.