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Lábaj, Martin
Puškárová, Paula
Year of Publication: 
Series/Report no.: 
Department of Economic Policy Working Paper Series 14
Income and wealth inequalities, both between and within the advanced and developing countries,haveattracted much attention in current economic debates. Wage inequalities appear to play akeyrole in the generation of final inequalities in terms of households’ income, consumptionand wealth. In this paper, we propose a decomposition approach based on the input-output analysis that allows us to disentangle the effects on the final inequalities’levels into the contributions of various determinants. So far, the analysis of income and wealth inequalities measured by standard inequality indices, e.g. Gini coefficient, Theil index, has received limited space in the input-output analysis. This does not imply thatissuesof income and wealth inequalities havebeen ignored in this stream of research. The focus of the input-output research has however been directed into distinct aspectsof inequalities. In one way, researchers have put a lot of effort in the understanding how the income and wealthinequalities influence the structure of final demand of households,and eventuallygenerate ambivalent effects on production, value added and employment. Other stream of research in input-output analysis has paid a lot of attention to inequalities that arise from the distribution of income that goes to labour andcapital. We propose to calculate cross-industry and cross-country wage inequalities directly from the input-output tablesandanalyse the final inequality variations through the lens of changes in the inputs. Detailed industry-level data on employees’ wages linked to their hours worked and education attainments, which are covered bythe World input-output database, allow us to illustrate the application of proposed methodology on major advanced and developing countries in the world. The analysis contributes to solving the puzzle around the impactsof human capital and technological progress on income inequality but may shed also more light on the rising global inequalities unfolded by international trade and fragmentation of global value chains.
wage inequality
input-output analysis
world input-output database
global value chains
Document Type: 
Working Paper

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