How can employees benefit from alternative work arrangements? How can employers benefit from alternative work arrangements?

How can employees benefit from alternative work arrangements? How can employers benefit from alternative work arrangements?
What are some of the possible negative outcomes for employers and/or employees regarding alternative work arrangements?
What types of factors are influencing organizations to consider using alternative work arrangements? Explain how alternative work arrangements can address the problems/issues that are raised by these factors.

Should the availability of alternative work arrangements to employees in the United States be mandated by law? Why or why not?