The effects of unions on productivity and firm performance have been the topic of extensive research. Existing studies … of identical firms. This paper studies how different unionisation structures affect firm productivity and firm … tougher selection among heterogeneous producers and thus increases average productivity, firm-level bargaining allows less …

Does immigration accelerate sectoral change towards high-productivity sectors? This paper uses the mass displacement of … sectors, predicts that immigration boosts output per worker by expanding the high-productivity sector, but decreases output …