Abstract
We analyze the impact of international outsourcing on income, if the domestic labor market is imperfect, i.e. there is a bilateral bargaining between a firm and a labor union. In our analysis we distinguish between the cases where the parties negotiate over the wage only and where they negotiate over both wage and profit sharing. We find in the first case that outsourcing has an ambiguous effect on the workers’ income, while it increases the workers’ income in the second case. For the optimal amount of international outsourcing, we find that, depending on the wage effect of outsourcing, in a pure wage bargaining system it can be higher or lower than the level where domestic and foreign marginal labor costs are the same. In contrast, in a wage and profit share bargaining system, the amount of outsourcing lies below this level.
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Notes
In the committed case, outsourcing takes place before wage bargaining. Thus, the external procurement is seen as a long-term contract or investment that fixes the amount of outsourcing. An overview about the relationship between outsourcing and wage bargaining is presented by Perry (1997).
Similar findings are shown in Hasan et al. (2007).
There are some studies that analyze the implementation of profit sharing in collective bargaining, e.g. Holmlund (1990) and Jerger and Michaelis (1999). Concerning the efficiency property, Pohjola (1987) and Anderson and Devereux (1989) show that also without an employment determination the outcome of a collective bargaining is efficient by introducing bargaining over wages and profit sharing. However, all studies abstract from outsourcing.
A survey concerning outsourcing and incomplete contracts is presented by Spencer (2005). The “hold-up”-problem describes the opportunistic behavior by the input producer, if special investments are needed.
Notice, that also in the presence of a bargained profit share, where the profit of the firm is \( \left( {1 - \tau } \right) \cdot \pi \), we obtain the same labor demand reactions, since profit sharing works as a profit tax. Due to the neutrality of this kind of tax, also in the case of a bargained profit share the domestic labor demand does not depend on profit sharing.
For notational convenience we use in the next calculations the subscript as a characterization of the first derivative, i.e. \( {\eta_w} = \partial \eta /\partial w \).
While in most European countries as Germany or Finland the wage is the central determinant in a bargaining between the union and the firm, in France there exists an obligatory profit share system for firms with more than 50 workers. However, in the bargaining round the firm and the labor union determine the details such as the calculation formula or the duration. Moreover, in the final section we briefly discuss the endogenous choice of the regime by the bargaining parties.
Since η > 1, it is obvious that the relative bargaining power of the labor union will have a positive effect on the mark-up in the general case of \( 0 < \gamma < 1 \), i.e. \( A_{\gamma} > 0\).
A similar result is obtained by Koskela and Stenbacka (2009). However, they use a model where only our Y-production characterizes the production technology and focus on the unemployment effects of outsourcing in a general equilibrium model, while we concentrate on the comparison of different bargaining regimes concerning the income effects of outsourcing in a partial analysis. Thus, we show whether this unclear result in the classical approach also holds for a more realistic description of the production technology with more than one production chain. Additionally, we can answer if this unclear result depends on the bargaining regime. For that reason, the detailed presentation of a known result is used for a better understanding and a complete analysis.
The idea behind this is that the worker are assumed as a team, where the whole team gets the profit share τ∙π, which is then distributed equally among the members.
For this standard result see also Holmlund (1990).
For a graphical argumentation see Koskela and Schöb (2010).
According to (13), the profit share mark-up is \( \Phi = \frac{{{\pi^*} + bM}}{{{\pi^*} + bM - f(M)}} \).
Also Lommerud et al. (2009) have found a negative relationship of union’s bargaining power and the amount of outsourcing. However, as mentioned earlier, their analysis differs with respect to their assumptions concerning the production technology and they model only the classical wage bargaining. Nevertheless, the argument for explaining the result is the same.
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We are grateful for useful comments by an anonymous referee to improve the paper. Koskela thanks the Academy of Finland (grant No. 1217622) for financial support and Freie Universität Berlin for good hospitality. König thanks the University of Helsinki for good hospitality.
Appendices
Appendix A: Derivation of the Wage Effects
As the mark-up we have \( A = \frac{{\gamma \cdot \eta \left[ {\eta \left( {1 - \alpha - \beta } \right) - \left( {\alpha + \beta } \right)} \right] + \left( {1 - \gamma } \right)\left( {\alpha + \beta } \right)}}{{\left( {\eta - 1} \right)\gamma \cdot \left[ {\eta \left( {1 - \alpha - \beta } \right) - \left( {\alpha + \beta } \right)} \right] + \left( {1 - \gamma } \right)\left( {\alpha + \beta } \right)}} = \frac{T}{Z} \), which depends on the wage and the amount of outsourcing. The wage impact is shown by \( {A_w} = \frac{{{T_w} \cdot Z - T \cdot {Z_w}}}{{{Z^2}}} \), where \( {T_w} = \gamma \cdot {\eta_w} \cdot \left( {\left( {1 - \alpha - \beta } \right) + {M \mathord{\left/{\vphantom {M L}} \right.} L}} \right) - \gamma \cdot \eta \frac{M}{{{L^2}}}{L_w} \) and \( {Z_w} = {T_w} + \gamma \cdot \frac{M}{{{L^2}}}{L_w} \). Using this, we obtain
Since \( {\eta_w} = \frac{1}{{1 - \alpha - \beta }}\frac{\eta }{w}\frac{M}{L} > 0 \), we have Aw < 0 and thus \( 1 - \frac{{{A_w}w}}{A} > 0 \).
The impact of outsourcing can be analyzed in a similar way. Here we have \( {A_M} = \frac{{{T_M} \cdot Z - T \cdot {Z_M}}}{{{Z^2}}} \), where \( {T_M} = \gamma \cdot {\eta_M} \cdot \left( {\left( {1 - \alpha - \beta } \right) + \frac{M}{L}} \right) + \gamma \cdot \eta \frac{{L - M \cdot {L_M}}}{{{L^2}}} \) and \( {Z_M} = {T_M} - \gamma \cdot \frac{{L - M \cdot {L_M}}}{{{L^2}}} \). Using these expressions we find that
From (A2) we obtain
Appendix B: Relationship between Profit Sharing and Outsourcing
Equation (13) can be reformulated to \( \tau = \gamma \cdot \frac{{V + bM}}{{V + bM - f(M)}} \), where \( V = {b^{ - \frac{{\alpha + \beta }}{{1 - \alpha - \beta }}}} \cdot {\alpha^{\frac{\alpha }{{1 - \alpha - \beta }}}} \cdot {\beta^{\frac{\beta }{{1 - \alpha - \beta }}}} \cdot \left( {1 - \alpha - \beta } \right) \). Thus, the effect of outsourcing on bargained profit sharing is \( \frac{{\partial \tau }}{{\partial M}} = \gamma \cdot \frac{{ - f(M) \cdot b + f\prime (M) \cdot V + f\prime (M) \cdot bM}}{{{{\left( {V + bM - f(M)} \right)}^2}}} \). Using \( f(M) = \frac{1}{2}c{M^2} \), we can write the effect of outsourcing on the profit share as
which equals Eq. (14).
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König, J., Koskela, E. Does International Outsourcing Really Lower Workers’ Income?. J Labor Res 32, 21–38 (2011). https://doi.org/10.1007/s12122-010-9100-7
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DOI: https://doi.org/10.1007/s12122-010-9100-7