Discussion paper DP1076 Quality Improvements in Models of Growth Robert Barro Xavier Sala-i-Martin 30 Nov 1994 International Macroeconomics O31 O32 O33 O40 O41
Discussion paper DP874 Employment, Innovation and Union Bargaining Models: New Tests and Evidence from UK Manufacturing Firms John Van Reenen 31 Jan 1994 Human Resources J23 J51 O31