Labor’s membership stagnation in the last half-century can be explained by several formidable obstacles.

Question

Explain

Answer 1

Are you asking about high unemployment or declining labor union membership?

Answer 2

declining labor union membership

Answer 3

http://economics.about.com/od/laborinamerica/a/union_decline.htm

http://www.nytimes.com/2012/06/05/opinion/nocera-turning-our-backs-on-unions.html

http://www.counterpunch.org/2008/01/10/three-big-reasons-for-the-decline-of-labor-unions/