No mention of any of the state laws that make noncompetes unenforceable (e.g. California, Florida) or place massive restrictions on them (Texas, Colorado, etc).

No mention of any of the state laws that make noncompetes unenforceable (e.g. California, Florida) or place massive restrictions on them (Texas, Colorado, etc). Would be interesting to see how Krugman's "one in five" stat would hold up if state law were taken into account.