The relative importance of small-and mediumsized enterprises (SMEs) and large firms is a recurrent topic in the small business economics literature. This paper presents a real and financial social accounting matrix (FSAM) capable of distinguishing the direct and indirect effects that are transferred from micro-, small, medium, and large firms to the rest of the economy. We use the hypothetical extraction method (HEM) to explore the sequence of reactions associated with shocks that arise from the COVID-19 lockdown. Using a structural model for the Spanish economy, we identify the role of different firm size categories in the aggregate gross domestic product (GDP). Our results allow us to reconcile the mixed narrative that accompanies the evaluation of the role played by these categories in economic activity by revealing that both SMEs and large firms are important for supporting economic activity. In particular, SMEs help explain 43% of the income and two-thirds of the unemployment decline caused by the COVID-19 pandemic. Our findings also show the importance of conditioning SME industrial policy to sectoral analysis. Plain English summary The effects of the macroeconomic lockdown and its transmission to the rest of the economy differ by firm size and across sectors. Using the Spanish context for micro-, small, medium, and large firms, we distinguish the direct and indirect effects caused by the COVID-19 pandemic. The main implications are the following: (1) Research: results emphasize that SMEs and large firms are both important to support economic activity but, in order to account for the relative effects on SMEs, it is crucial to consider the specific sector that receives the disruption. 2) Policy: SMEs are an important focus of business support policies within the EU. According to our estimations, disruptions in SMEs produce larger reductions in demand. These results could support credit policies for SMEs with a strong impact on the aggregate economy due to their greater productive and financial linkages with the domestic economy.

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This paper aims to deepen our understanding of the relationship between firms' internationalization and their sustainability development. We expected firms with a higher level of internationalization to exhibit better environmental management and performance. A sample of 287 publicly traded firms in the energy and energy‐related utilities sector was used to test these relationships. We focused on the energy sector, as energy production and supply have historically accounted for the lion's share of global greenhouse gas emissions. We found that firms' level of internationalization had a positive effect on their environmental management, whereas its effect on environmental performance was not found to be significant. We also tested whether these relationships change when firms' internationalization is oriented towards developing countries. Upon a closer look, the relationship was found to be significant between internationalization towards developing countries and better environmental management, thus contributing to the line of literature that does not support the pollution haven hypothesis.

The potential negative environmental consequences of the activities of international firms has been scrutinized. In response to these pressures, international firms have started to disclose (voluntarily or not) environmental information in order to increase transparency and ensure legitimacy. While several factors have been pointed out as the drivers of such disclosing behavior, the role of industrial regulation has remained underesearched. To better understand this challenge, we rely on a sample of 1,150 international firms (top vs. nontop) worldwide from regulated and unregulated sectors. Our results suggest that unregulated firms disclose-to cope with higher stakeholders pressures-more environmental information than firms operating in regulated environments. Additionally, a firm's international position positively influences its environmental disclosure, but it does negatively and partially moderate the relationship between industrial regulation of the sector in which the firm operates and such firm's environmental disclosure. Our findings may also entail interesting contributions both for practitioners and scholars.

La internacionalización en la enseñanza superior: investigación teórica y empírica sobre su influencia en las clasificaciones de las instituciones universitarias ARTÍCULO

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