Search results

This paper aims to analyze the impact of the adoption of ISO 14001 and ISO 9001 on the performance of Portuguese companies. The sample includes the companies listed on Euronext Lisbon, with economic, financial and specific information – the specific being environmental information and quality information – for the period between 2015 and 2019, which corresponds to the post-Troika period when some economic growth started to be witnessed. The specific information of each area is translated into the environmental certification by the ISO 14001 standard, the quality certification by the ISO 9001 standard, and sustainability reports.

To achieve this aim, four variables were used as a measure of the companies' performance, Return on Assets (ROA), Return on Equity (ROE); Tobin's Q and EBITDA Margin. With this data, different panel models were tested to validate if ISO 9001 and ISO 14001 certifications impact Portuguese listed companies performance. Specifically, the authors have used the Generalized Method of Moments, GMM-System, an estimation method proposed by Arellano and Bover (1995) and Blundell and Bond (1998).

The results show that, in general, the environment and quality variables fail to explain the dependent variables, that is, ISO certifications do not provide positive or negative variations in the performance of companies, suggesting that they are not yet as much for civil society, as well as for current or potential shareholders. When used as an independent variable, certification according to the ISO 14001 or 9001 standards, negative and significant oscillations were verified in the dependent variable, MgEBITDA, suggesting that only for managers this variable is determinant, but with a negative impact, given the high costs, it entails without pressure from other stakeholders.

This study is the first to analyze the impact of the adoption of ISO 14001 and ISO 9001 on Portuguese companies' performance. This empirical study aims to show all investors, managers, regulators and civil society itself the long path that still needs to be taken toward sustainability.

This paper aims to analyze the determinants of Portuguese energy companies' performance.

To achieve our objective, we have used data from 457 Portuguese energy companies, in the period between 2011 and 2018. Three dependent variables were tested using panel data, through the generalized method of moments (GMM) estimation method.

The results point out that the determinants of companies' performance change according to how different stakeholders appreciate corporate performance. In general, shareholders are concerned with maintaining their levels of profitability over time as well as with the company's market image. Managers are centered on maintaining solid margins on EBITDA through good management of cash flow, leverage and current assets. For the rest of the stakeholders, including global society, debt and investments in tangible fixed assets reduce profitability while investments in immaterial assets help to create value and performance for energy companies.

As far as the authors are aware, this is the first time that a study has been carried out in the Portuguese energy sector using the GMM-system model for three different stakeholders' views of corporate performance determinants.

The purpose of this paper is to analyse the determinants of Portuguese firms’ performance.

To achieve this aim, the authors used data from 37 non-financial firms in the period between 2010 and 2015. Three dependent variables were tested and the estimation of the model using the Generalised Method of Moments shows that internal, external and institutional factors are important to explain the performance of firms listed in Euronext Lisbon.

The determinants of firm performance vary depending on the variable used to measure the performance. Specifically, the results show that when the authors use a market variable of performance, the firm-specific variables are not so important to explain performance. The macroeconomic factors, including the investor’s sentiment and insider ownership, more effectively explain the firm’s performance. The evidence suggests that the determinants of firm performance change according to the way in which different stakeholders appreciate firm performance.

The main contribution of such approach is to show that internal and external factors influence performance measures in distinct ways, thus helping managers who are expected to make decisions according to the investors’ expectations. It provides initial guidelines for policy makers to understand how to improve the performance of their firms using firm-specific factors. Additionally, this work also demonstrates that the firm’s characteristics, macroeconomics and governance factors could affect the Portuguese firms’ performance, conveying a valuable contribution for investors.

In the macroeconomic environment of the Iberian Peninsula, this paper aims to examine the influence of corporate governance characteristics on corporate sustainability performance. The purpose of this paper is to address corporate practices while determining which corporate governance characteristics can improve corporate sustainability, considering, for this purpose, three dimensions of sustainability: economic, environmental and social.

This sample comprises 99 non-financial companies of the Iberian Peninsula, during the 2013–2017 period. The authors have used the panel data methodology, specifically the generalized method of moments (GMM) estimation method proposed by Arellano and Bover (1995) and Blundell and Bond (1998) to test the hypotheses formulated.

The results obtained have shown that corporate sustainability performance is affected differently depending on the sustainability dimension that is considered. Specifically, the economic dimension is determined by public debt, the board size, board diversity and the existence of an audit committee. Regarding the environmental dimension, the board size and the presence of the audit committee, as well the corporate social responsibility committee, are the most important determinants. Finally, the social dimension was influenced by the board size, audit committee and the control variable of capital structure, which means that in this dimension, the sources of financing used by the company also help in determining its levels of social concern.

To the best of the authors’ knowledge, this is the first time that a study has been carried out in the Iberian Peninsula on the corporate sustainability using GMM-system model for three dimensions of sustainability. Corporate sustainability depends on external and internal factors of companies. Therefore, regulators and managers should realize that they will have to be more effective in their statements.

The application of condition-based maintenance on selected equipment can allow online monitoring using fixed, half-fixed or portable sensors. The collected data not always allow a straightforward interpretation and many false alarms can happen. The paper aims to discuss these issues.

Statistical techniques can be used to perform early failure detection. With the application of Cumulative Sum (CUSUM) Modified Charts and the Exponentially Weighted Moving Average (EWMA) Charts, special causes of variation can be detected online and during the equipment functioning. Before applying these methods, it is important to check data for independence. When the independence condition is not verified, data should be modeled with an ARIMA (p, d, q) model. Parameters estimation is obtained using the Shewhart Traditional Charts.

With data monitoring and statistical methods, it is possible to detect any system or equipment failure trend, so that we can act at the right time to avoid catastrophic failures.

In this work, an electro pump condition is monitored. Through this process, an anomaly and four stages of aggravation are forced, and the CUSUM and EWMA modified control charts are applied to test an online equipment monitoring. When the detection occurs, the methodology will have rules to define the degree of intervention.

We present a critical literature review debating Brazilian research on social and environmental accounting (SEA). The aim of this study is to understand the role of politics in the construction of hegemonies in SEA research in Brazil. In particular, we examine the role of hegemony in relation to the co-option of SEA literature and sustainability in the Brazilian context by the logic of development for economic growth in emerging economies. The methodological approach adopts a post-structural perspective that reflects Laclau and Mouffe’s discourse theory. The study employs a hermeneutical, rhetorical approach to understand and classify 352 Brazilian research articles on SEA. We employ Brown and Fraser’s (2006) categorizations of SEA literature to help in our analysis: the business case, the stakeholder–accountability approach, and the critical case. We argue that the business case is prominent in Brazilian studies. Second-stage analysis suggests that the major themes under discussion include measurement, consulting, and descriptive approach. We argue that these themes illustrate the degree of influence of the hegemonic politics relevant to emerging economics, as these themes predominantly concern economic growth and a capitalist context. This paper discusses trends and practices in the Brazilian literature on SEA and argues that the focus means that SEA avoids critical debates of the role of capitalist logics in an emerging economy concerning sustainability. We urge the Brazilian academy to understand the implications of its reifying agenda and engage, counter-hegemonically, in a social and political agenda beyond the hegemonic support of a particular set of capitalist interests.

This paper is an excerpt from a countrywide study entitled “Leisure in Brazil: representations and realizations of daily experiences”, which aims to investigate what Brazilians do in their leisure time, what they would like to do and why they do not do it.

Specifically, in this paper, the authors analyze data referring to the elderly population from southeastern Brazil. Sampling of the national survey comprised representative quotas of the population, considering region and state, and, in each state, quotas of sex, age, education level and family income, according to data obtained by IBGE in 2010. A total of 2,400 interviews were conducted in total. For the present study, the 91 interviews conducted with elderly subjects from the Southeast region of Brazil were considered.

The majority of participants understand leisure as a time for resting and fun and have physical/sports interests as their favorite leisure activity during the week. On weekends, social and tourism interests stand out, and idleness stands out in the preference of this public during the holiday period. Lack of time and financial resources are the main barriers to the access to and permanence in the desired leisure practices.

Having knowledge of the relationship between leisure and aging in Brazil is a way to contribute to the potential of this stage of life, based on the quality of life and continued learning provided by the content they enjoy.

Corporate Social Responsibility (CSR) literature has focused mainly on larger firms. Only recently has discussion of the engagement of small and medium-sized enterprises (SMEs) in CSR emerged in research studies. Here we contribute to that growing discussion of CSR in SMEs by analyzing the disclosure practices of 57 Portuguese companies of different sizes (small, medium, large).

We use stakeholder theory to identify the stakeholders that SMEs and large firms prioritize. By means of thematic content analysis and an index of disclosure (calculated according to company type and stakeholder type) we analyze whether business characteristics influence CSR disclose strategies.

Companies give priority to CSR activities that are directly related to maintaining business and achieving economic results. CSR disclosure practices of SMEs and large companies do not differ significantly. However, larger companies disclose more information on Environment and Society. Companies who are closer to consumers disclose more information on Customers, Community and Society. The act of assuring a CSR report drives system improvements and extended CSR disclosure.

We recognize that it is difficult to compare CSR in Small and large enterprises. For this reason, we have developed a methodology based on the most basic aspects of the CSRD, and therefore applicable without distinction to large and small companies.

A framework to evaluate the CSRD of SMEs was developed. We identify CSR indicators divided in five dimensions (customers, employees, environment, community and society) that are applicable to firms of all sizes.

This study extends knowledge of CSR by comparing the disclosure practices of SMEs and large (listed and un-listed) Portuguese companies. This study takes account of the particularities of SMEs and other fundamental business characteristics using a replicable assessment framework.

This paper aims to report the first iteration on the Light Detection and Ranging (LIDAR) Engineering Model altimeter named HELENA. HELENA is a Time of Flight (TOF) altimeter that provides time-tagged distances and velocity measurements. The LIDAR can be used for support near asteroid navigation and provides scientific information. The HELENA design comprises two types of technologies: a microchip laser and low noise sensor. The synergies between these two technologies enable developing a compact instrument for range measurements of up to 14 km. Thermal-mechanical and radiometric simulations of the HELENA telescope are reported in this paper. The design is subjected to vibrational, static and thermal conditions, and it was possible to conclude by the results that the telescope is compliant with the random vibration levels, the static load and the operating temperatures.

The Asteroid Impact & Deflection Assessment (AIDA) is a collaboration between the NASA DART mission and ESA Hera mission. The aim scope is to study the asteroid deflection through a kinetic collision. DART spacecraft will collide with Didymos-B, while ground stations monitor the orbit change. HERA spacecraft will study the post-impact scenario. The HERA spacecraft is composed by a main spacecraft and two small CubeSats. HERA will monitor the asteroid through cameras, radar, satellite-to-satellite doppler tracking, LIDAR, seismometry and gravimetry.

The HELENA design comprises two types of technologies: a microchip laser and low noise sensor. The synergies between these two technologies enable developing a compact instrument for range measurements of up to 14 km.

In this paper is reported the first iteration on the LIDAR Engineering Model altimeter named HELENA. HELENA is a TOF altimeter that provides time-tagged distances and velocity measurements. The LIDAR can be used for support near asteroid navigation and provides scientific information. The HELENA design comprises two types of technologies: a microchip laser and low noise sensor. The synergies between these two technologies enable developing a compact instrument for range measurements of up to 14 km.

The civil construction industry has vital importance to Brazil's economy. However, this sector is also responsible for the environmental impacts. Governments have been taking measures aiming to mitigate these impacts. Among these, the elaboration and implementation of civil construction solid waste management plans can be highlighted. However, these plans still lack standardizations and tools for their evaluation. Environmental indicators proposal for construction solid waste management plans assessment is presented to verify the adhesion of these to environmental laws, technical standards and green building certification systems recommendations.

The construction solid waste management plans of three construction works were evaluated by the proposed indicators to verify the procedures related, generating, in the end, a scale between 0 and 5. After that, plans were compared with each other.

The proposed indicators have made possible the evaluation of the environmental practices performed for three different construction works. By the proposed indicators, the environmental practices were compared to technical standards and legislation suggested procedures.

As a contribution, the evaluation proposal presented may help the construction industry as well as the public authority to evaluate the construction solid waste management plans currently elaborated, so that these can offer a quality improvement and more effective environmental measures.

Methodologies that guide the evaluation of construction solid waste management plans can be beneficial for the construction companies, which can improve the quality of the plans elaborated internally and verify the effectiveness of the plans elaborated by specialized consultancies. In general, most of the construction solid waste management plans are prepared with the purpose of only complying with the legislation, more specifically of the National Council for the Environment, Resolution 307/2002.