Michael Roberts, a resource economist at North Carolina State University, takes a look at what he calls ‘ a pretty rapid slowdown in productivity growth’.
http://greedgreengrains.blogspot.com/2011/05/declining-crop-yields.html
Declining Crop Yields
Michael Roberts, a resource economist at North Carolina State University, takes a look at what he calls ‘ a pretty rapid slowdown in productivity growth’.
http://greedgreengrains.blogspot.com/2011/05/declining-crop-yields.html
Richard Pace 