Persona:
Alberca Oliver, María Pilar

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0000-0001-7644-3033
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Alberca Oliver
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María Pilar
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20232
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Mostrando 1 - 2 de 2
  • Miniatura
    Publicación
    Circular Economy and Business Models: Managing Efficiency in Waste Recycling Firms
    (SAGE Publications, 2023-11-23) Parte Esteban, Laura; Alberca Oliver, María Pilar
    Business orientation toward sustainable development goals and the circular economy are relevant research topics today in business theory and practice. The waste recycling sector is a key industry in the circular economy framework for promoting clean production and environmental sustainability. This study analyzes business performance in the recycling sector, focusing on efficiency indicators. The associations between firm efficiency and risk variables were also evaluated. The study goes through several methodological stages, including a Data Envelopment Analysis (DEA) multistage method and multivariate modeling: tobit regression, bootstrap models, and generalized method of moments (GMM). The main results indicate that the average efficiency of waste recycling firms is at a medium level. Large-sized firms achieve higher levels of efficiency than medium-sized and small firms, supporting the economies of scale hypothesis. The evidence also suggests that risk variables (rating score and Zscore) and capital structure are key determinants of firm efficiency in the waste recycling industry.
  • Miniatura
    Publicación
    Environmental commitment, sustainable development, and regional efficiency in waste collection activities
    (Wiley, 2023-09-25) Alberca Oliver, María Pilar; Parte Esteban, Laura
    Waste management industry is key to achieve environmental commitment, clean production, and Circular business models; as well as to promote sustainable development. The aim of this study is to contribute to the Circular Economy measuring business performance and firm efficiency of waste collection activities and their determinants, with emphasis on sustainable development and environmental challenges. The main research goals of this study are as follows: first, to examine firm efficiency scores in waste collection activity (dangerous and non-dangerous waste); second, to analyze the main fluctuation patterns of business efficiency; third, to evaluate the differences in the average efficiency according to region; finally, to examine the relationship between efficiency score and environmental challenges (investment in environmental protection and COVID-19 pandemic impact). The efficiency of firms is estimated using non-parametric production frontiers in a sample of 5441 observations for the period 2010–2020. We used several non-parametric tests, such as the Mann–Whitney U test and the Kruskal–Wallis test; as well as several regression models (Tobit and bootstrapping regressions) to test the relationship between efficiency scores and environmental variables. The main findings of this study provide new empirical evidence and go a step further, not only at the firm level, but also at the regional level.