When a claimant remains <a href="https://thelomad.com/getmad.today/wp-contentduplicate-3602675.findlaw5.flsitebuilder.com/blog/2013/07/did-you-know-an-employer-or-carrier-may-be-able-to-reopen-a-ppd-claim-on-the-issue-of-labor-market-attachment/">attached to the labor market</a> a claimant’s wage earning capacity for a permanent partial disability, according to <em>Buffalo auto</em>, should be determined based on the difference between the claimant’s earnings at the time of his classification and his former average weekly wage