Monopoly’s neglected twin? The effect of labour market concentration on wages and inequality
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Monopoly’s neglected twin? The effect of labour market concentration on wages and inequality. / Koelle, Michael ; Scholl, Nathan; Schwellnus, Cyrille; Bertheau, Antoine.
The Role of Firms in Wage Inequality: Policy Lessons from a Large Cross-Country Study. OECD Publishing, 2021.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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TY - CHAP
T1 - Monopoly’s neglected twin?
T2 - The effect of labour market concentration on wages and inequality
AU - Koelle, Michael
AU - Scholl, Nathan
AU - Schwellnus, Cyrille
AU - Bertheau, Antoine
PY - 2021
Y1 - 2021
N2 - High labour market concentration (i.e. the concentration of employment or hiring in a small number of firms) may allow employers to suppress wages. This chapter uses linked employer-employee data from seven OECD countries to analyse the extent of labour market concentration across countries, industries, geographical areas and groups of workers, as well as its effects on wages. The main findings are: (1) a significant share of workers (around 20%) are employed in highly-concentrated labour markets, especially in manufacturing and rural areas; (2) high labour market concentration reduces wages; (3) negative wage effects tend to be particularly pronounced for low-qualified workers; and (4) over the past two decades, negative wage effects have become stronger at any given level of concentration, but concentration itself has remained broadly flat. These results imply that labour market concentration is a relevant issue from the perspective of public policies aiming to address inequality but cannot explain broader economic trends related to wage stagnation and the decline in the labour income share experienced by a number of countries over the past two decades.
AB - High labour market concentration (i.e. the concentration of employment or hiring in a small number of firms) may allow employers to suppress wages. This chapter uses linked employer-employee data from seven OECD countries to analyse the extent of labour market concentration across countries, industries, geographical areas and groups of workers, as well as its effects on wages. The main findings are: (1) a significant share of workers (around 20%) are employed in highly-concentrated labour markets, especially in manufacturing and rural areas; (2) high labour market concentration reduces wages; (3) negative wage effects tend to be particularly pronounced for low-qualified workers; and (4) over the past two decades, negative wage effects have become stronger at any given level of concentration, but concentration itself has remained broadly flat. These results imply that labour market concentration is a relevant issue from the perspective of public policies aiming to address inequality but cannot explain broader economic trends related to wage stagnation and the decline in the labour income share experienced by a number of countries over the past two decades.
U2 - 10.1787/fd80057f-en
DO - 10.1787/fd80057f-en
M3 - Book chapter
BT - The Role of Firms in Wage Inequality
PB - OECD Publishing
ER -
ID: 336828156