Energy price shocks, conflict inflation, and income distribution in a three-sector model

The paper presents a model of conflict inflation to investigate the distributional effects of energy price shocks. We argue that periods of high inflation are always periods of significant redistribution of income. We analyse how such redistribution occurs along two dimensions: between workers and firms and between sectors of the economy. To study the distributional outcomes of the recent inflationary episode, we build a three-sector model comprising a domestic energy sector which provides inputs for a goods and a services sector. The model is calibrated to US sectoral data with the Method of Simulated Moments. While energy prices are set internationally, non-energy prices and nominal wages are set by firms and workers, giving rise to conflicting claims over the distribution of income. We consider three shocks that trigger inflationary distributional conflict: an energy price shock combined with demand and supply shocks to the goods sector. We find that the recent inflationary episode constitutes a price-wage rather than a wage-price spiral. The combined shocks induce non-energy firms to raise prices, which undermines real wages, and redistributes income towards firms. The sectoral demand shift towards goods in combination with pandemic-related supply bottlenecks further raises mark-ups, accelerating inflation and leading to divergence in sectoral profit margins. We compare three antiinflationary policies: redistributing windfall profits to workers, nominal wage restraint, and aggregate demand contraction through monetary or fiscal policy. The redistribution of profits via a windfall tax is most effective in reducing inflation without reinforcing reductions in employment and labour shares.

Automated summary

This paper presents a model that examines the distributional effects of energy price shocks through conflict inflation. The study finds that periods of high inflation often lead to significant redistribution of income, both between workers and firms and between different sectors of the economy. Using a three-sector model calibrated to US sectoral data, the research shows that the recent inflationary episode is a result of a price-wage spiral. Furthermore, the study compares three antiinflationary policies and finds that redistributing windfall profits to workers is the most effective in reducing inflation without negative impacts on employment and labor shares.