Poznań University of Economics and Business

Decoding availability of services: interplay of income inequality and intergovernmental transfers on child protection

This study investigates the effect of income inequality on the availability of child protection services at the municipality level in Finland, by considering the moderating role of intergovernmental transfers. Utilising macro-level panel data from 293 municipalities over the peri...

From CSR to ESG: The Evolving Relationship with Earnings Management—Trends, Themes, and Future Directions

The study aims to map the intellectual landscape of research on the relationship between sustainability engagement and earnings management (EM). The way a company communicates its reliability translates into stakeholder relations and influences performance. The study integrates c...

Adaptive Re-Screening and Pair-Screened Joint Rescue for Scalable Stepwise Selection in Cross-Classified Linear Mixed Models

Stepwise fixed-effect selection in complex linear mixed models is expensive because each candidate can require the re-estimation of variance components. Permanent pruning lowers this cost but can discard predictors that become relevant after other terms enter. We propose adaptive...

Micro-foundations of sustainability: entrepreneurial identity and interaction patterns in plant-based food microenterprises

Purpose The paper aims to identify how entrepreneurs’ identities intersect with interaction patterns to facilitate sustainability-driven activities in microenterprises. In addition, it proposes a typology of sustainable entrepreneurs, ranging from Mission-Embedded Activists to In...

Alon–Tarsi for Hypergraphs

Given a hypergraph $H=(V, E)$, define for every edge $e\in E$ a linear expression with arguments corresponding to the vertices. Next, let the polynomial $p_H$ be the product of such linear expressions for all edges. Our main goal is to find a relationship between the Alon-Tarsi n...

Business model innovation and changes in perceptions of actor importance: how motives for BMI shape actor evaluations

Purpose The purpose of this paper is to examine how firms’ motivations for implementing business model innovation (BMI) differ and how these motivational configurations are associated with changes in the perceived importance of actors in firms’ business networks following BMI imp...

Women's entrepreneurship and resilience: focusing on a Central European entrepreneurial setting

Purpose Despite extensive research on resilience in established organizations, scholarship intersecting entrepreneurial resilience and women's entrepreneurship has been slow to progress. Much of the academic discourse within this research stream often centres on women's negative...

Do social protection expenditures predict female immigrant entrepreneurship? Evidence from the European Union

Purpose In debates on immigrant integration, we move beyond the “welfare magnet hypothesis” by examining whether the host country's social welfare system, as part of its institutional environment, influences female immigrant entrepreneurship (FIE) through mechanisms of risk buffe...

Towards a mid-range theorization of resource interaction in business networks

Purpose This study develops a pathway towards mid-range theorizing of resource interaction (RI) within the industrial marketing and purchasing (IMP) tradition, aiming to reduce conceptual dispersion and strengthen the explanatory articulation of business network research. Design/...

Impact of commodity prices volatility on the sovereign risk of European economies: the case of the Russo-Ukrainian conflict

This paper investigates the impact of the Russo-Ukrainian conflict on the relationship between commodity price volatility and sovereign risk in European economies. Focusing on key agricultural commodities (wheat, rapeseed, and maize) and energy commodities (oil, gas, and coal) we...