Robert M. Solow, Groundbreaking Economist and Nobelist, Dies at 99 His elegant work established that the main determinant of economic growth was technology, not growing capital and labor. Author: Robert D. Hershey Jr. and Michael M. Weinstein Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)