Although citizens value competitive markets and support small businesses, we observe substantial variation in market concentration. Why do politicians abstain from taking action to reduce concentration? We propose an often overlooked political benefit to concentrated markets: When concentration...

The present paper utilizes AnaCredit loan-level data to examine the impact of regional loan market structure on lending rates. The analysis focuses on newly issued loans to small non-financial corporations in the euro area during the monetary policy tightening phase of 2022 and 2023. The...

We study how inflation varies across regions with different income levels and the role of retailer market structure. Using NielsenIQ Retail Scanner and Business Dynamics Statistics data, we document new stylized facts of spatial heterogeneity in food inflation and retailer market structure. From...

We quantify changes in concentration, market power and welfare in the UK grocery retail sector from 2002 to 2021. We document that an expansion of discounter-format retailers coincided with declining retail and manufacturer concentration across most narrowly defined product categories. We...

This paper identifies price dislocation events in EuroSTOXX 50 futures, i.e., periods marked by high absolute returns. Combining public limit order book data with confidential trade repository data collected under the European Market Infrastructure Regulation (EMIR), we analyze market conditions...

This study investigates the nonlinear interplay between bank stability, financial inclusion, deposit insurance design, and banking concentration, utilizing unbalanced panel data from 122 countries between 2004 and 2021. By constructing novel indices-including a composite Moralhazard index to...

In 1962, Spain implemented significant banking law changes to boost competition. This study investigates their impact on provincial banking concentration from 1964 to 1975, utilising novel provincial-level private bank balance sheet data and including savings banks. Results show a substantial...

Economic super-powers are racing to control critical minerals in developing economies fueling conflict, environmental damage and poverty. In this paper, we first explore what could well constitute a new “critical minerals curse”. We then highlight the dualism of institutions required for...

This paper studies the relationship between market concentration and aggregate productivity when firmlevel demand emerges from past marketing investments. Granular firms may invest in demand both to complement their productivity and to amplify market power-this second force can create persistent...

This paper derives a closed-form expression linking aggregate markups on im- ported inputs to concentration in a model of firm-to-firm trade with two-sided market power. Our theory extends standard oligopoly insights in two dimensions. First, it reveals that markups increase with exporter...

In this paper, we study the impact of monopsony power on the gender wage differentials at various parts of the wage distribution from 2019 to 2022. We are measuring hiring labour market concentration by constructing the HHI on the basis of online job advertisement data from Germany.The wages and...

Starting from the superstar firm hypothesis of Autor et al. (2020), the paper conceptually analyses the regional industrial market power-induced effect on profit shares elaborating on the role of space. Our idea is that an industrial market power-induced effect exists, but this is heterogeneous...

Numerous studies have explored the possible causes of global carbon emissions and climate change; however, the impact of export diversification and concentration on these emissions is a less examined topic in literature. This study investigates the effects of export diversification and...

With the rise of environmental awareness, stakeholders are increasingly insisting on a sustainable corporate strategy. This study examines the impact of supply chain concentration on green innovation in Chinese manufacturing firms listed on the A-share market from 2011 to 2022. The results show...

The changes in market structures in post-socialist economies have led to a significant increase in interest in the dynamics of corporate concentration and its broader socio-economic impacts. This study aimed to assess Hungary's food industry over a 30-year period (1993-2022), with a primary...

Given the changing landscape of fuel retailing, this study explores the impact of spatial competition and market concentration on diesel prices in Germany. The question of how population density and gas station density, i.e. the equilibrium pattern of locations of firms, are related is examined....

Antitrust policy aims to reduce market concentration and increase competition among firms. Contemporary antitrust is sensitive to both domestic and international considerations. Internationally, the market is dominated by the largest firms, raising questions about the competitiveness of domestic...

Policymakers face a dilemma in determining the optimal approach to regulating highly concentrated markets, especially in the context of digital government initiatives in healthcare. The current study investigates whether vendor market concentration facilitates or impedes efficiency in health...