In their seminal study on interindustry wage differentials, Krueger and Summers (1988) expressed estimated industry differences as deviations from a hypothetical employment-share weighted mean. Virtually the whole labor literature has followed their approach, yet most studies avoid calculating the exact standard errors of these differences. This note relates this problem to the general literature on ...
High and persistent unemployment rates and increasing awareness of environmental degradation in many industrial countries have promoted the interest in the labour market effects of environmental policy. Environmental labour market analysis is fraught with many difficulties, however. Being unaware of these problems may result in misunderstandings and mislead policy makers. In environmental labour market ...