This paper shows that outsourcing of parts of the workforce in unionized firms leads to wage moderation and as long as the share of the outsourced workforce is not too large, this wage moderation effect on domestic employment outweighs the direct substitution effect so that domestic employment...

This paper analyzes unemployment insurance (UI) schemes in the presence of mobile workers and trade unions at industry or regional level that are capable of internalizing the effect of wage demands on UI contribution rates. We compare two types of existing UI systems. When UI is organized at...