“Health effects of collective bargaining institutions: Is there an insider-outsider effect?”

Collective bargaining institutions can affect employment levels, remuneration and working conditions, all of which are important social determinants of health. The insider-outsider hypothesis posits that some collective bargaining institutions may have unequal effects on individuals who are more vs. less integrated in the labour market. There is very limited evidence linking collective bargaining institutions and population health, and none that explores the link between collective bargaining and health inequalities. This study uses four waves of the European Values Survey (1981-2017) and three-level random intercept models across 34 OECD and European countries. We investigate the effect of collective bargaining institutions on individuals’ subjective health and whether these vary according to labour market status. We find that the level at which collective bargaining is conducted is particularly protective for individuals’ health, and that conducting bargaining at higher levels appears to disproportionately benefit labour market outsiders’ health.

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