Berman, E.
,
Bound, J.
and
Griliches, Z.1994:
Changes in demand for skilled labor within US manufacturing industries:
evidence from the Annual Survey of Manufactures
. Quarterly Journal of Economics110,
367-397
.
2.
Haskel, J. E.
and
Slaughter, M. J.1999: Trade, Technology and UK Wage Inequality NBER Working
Paper, 6978.
Cambridge, MA: National Bureau of Economic Research
.
3.
Machin, S.
and
van Reenen, J.1998:
Technology and the skill structure: evidence from seven countries
. Quarterly Journal of Economics113,
1215-1244
.