The authors characterize equilibrium and efficient modes of production by comparing nested (vertical) outsourcing with horizontal outsourcing. Nested outsourcing is found to be inefficient unless the cost of monitoring outsourced production lines increases sharply with the number of...

The authors characterize equilibrium and efficient modes of production by comparing nested (vertical) outsourcing with horizontal outsourcing. Nested outsourcing is found to be inefficient unless the cost of monitoring outsourced production lines increases sharply with the number of...

We evaluate the effects of outsourcing and wage solidarity on wage formation and equilibrium unemployment in a heterogeneous labour market, where wages are determined by a monopoly labour union. We find that outsourcing promotes the wage dispersion between the high-skilled and low-skilled...