Such unobservable factors (or not controlled for) seem to play an important role in equalising the distribution of household income and are likely to be captured by the unexplained wage structure effect. Changes in women’s wages accentuated the equalising impact of women on household income inequality. The combined effect resulted in lowering income inequality by about 2 Gini points. Overall, it shows that the increased participation of women in the labour market over the past 20 to 25 years up to the economic crisis has tended to make the distribution of household earnings and income more equal.