Open the brackets choosing the correct word.
1. (Like/unlike) physical capital, human capital is expensive.
2. Individuals can (either/neither) spend their income on consumption (or/nor) save it.
3. In labour markets many aspects are regulated: paid holidays, the length of working day and week and other aspects of the (employment/contribution) relationship.
4. Changing policies (require/vary with) constant updating of statistical systems.

1. (Like) physical capital, human capital is expensive. 2. Individuals can (either) spend their income on consumption (or) save it. 3. In labour markets many aspects are regulated: paid holidays, the length of working day and week and other aspects of the (employment) relationship. 4. Changing policies (require) constant updating of statistical systems.