This suggests that an investigation of the structural explanation of declining unionization should distinguish two groups of factors: These are changes in the composition of the workforce (like the decline in the employment share of men) and changes in the strength that links certain characteristics of employees (such as sex) to the individual probability of being a union member.
exploredata-ZA3762_VarV104 exploredata-ZA2140_VarV146 exploredata-ZA2140_VarV401