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Over the last decades, the development of entrepreneurial activity has allowed greater growth and economic development in Spain. However, within the analysis of Spanish entrepreneurial dynamics, insufficient attention has been paid to a key group: senior entrepreneurs. The fact that the first two decades of the 21st century have been accompanied by the two worst economic crises in remembrance since the Great Depression of the 1930s has had a great impact on the professional careers of the group of senior workers, whose careers have been cut short due to the closure of companies. In this way, the present work delves into the reality of senior entrepreneurs in Spain, analyzing the main characteristics of this group, which is becoming increasingly important in society.

Using microdata from the Spanish National Statistics Institute's Labour Force Survey, the study focuses on reference persons who, being 50 years of age or over and actively working, work as an entrepreneur and have started their activity in the last 12 months. The study covers, in turn, the analysis period of the fourth quarters from 2005 to 2020. In relation to the methodology, the work focuses on the use of binary logistic regression techniques, given that the phenomenon to be studied is binary in nature: entrepreneurship or not.

The main conclusions drawn are the importance of sociodemographic factors such as educational level, age, the profession of the couple as well as the fact of having or not having children. The sector of activity and region are also significant. It is also concluded that senior entrepreneurship in Spain is of a necessary nature, considering the evolution of unemployment and decisions based on pension reform.

The main limitations of the study refer to the lack of socioeconomic information. Thus, it would be interesting to know the link among the sociodemographic characteristics and the economic situation of the professionals, as well as the fact of whether they have started from a previous situation of unemployment or employment.

The obtained conclusions allow progress to be made in the generation of economic policies aimed at the professional reorientation of a group of workers who, due to labor market circumstances, are obliged to end long professional careers and to seek alternatives. In fact, entrepreneurship is a viable professional alternative for these professionals.

Despite the importance of senior professionals in the Spanish economy, more research is needed on their characteristics and needs. Despite important studies such as Socci et al. (2020) or Perez-Encinas et al. (2021), there are not many studies for the Spanish reality. This paper seeks to deepen the understanding of the sociodemographic characteristics of Spanish senior entrepreneurs, based on current public information and considering different stages of the economic cycle.

This paper aims to present a conceptual model, called LOOP, an acronym for Leadership, Organization, Operation and People, regarding the pull system implementation in Lean companies. Lean should be holistically implemented to achieve the performance for what it is known. Pull is one of the Lean thinking principles, and it is the production control system underneath the Lean philosophy. However, to implement pull, an organizational transformation in companies’ different areas is needed.

This model was developed following up a case study of a representative example of a multinational company which has been implementing Lean for a long time but without achieving a well-succeeded pull implementation.

Based on that, the authors developed the LOOP model that is an integrated framework with the goal to promote a Lean culture, which includes four dimensions: leadership, organization, operation and people.

Based on the LOOP conceptual model, a different, and hopefully more effective, perspective is presented, establishing some proposals for the four dimensions and for the production and control system selection criteria to implement Lean.

In the realm of innovation systems and technology transfer (TT), the emergence of open innovation and complex market dynamics has amplified innovation intermediaries’ prominence of their role and involvement in TT projects. This study delves into private consultants’ involvement in TT projects, namely in what got them involved by the project’s key stakeholders.

An iterative two-phased research approach was followed, including exploratory interviews and a quantitative case study of a consultancy firm engaged in 219 TT projects.

Five main key motivators were found to lead TT stakeholders to involve private consultants in their TT projects, being the most relevant, the proactivity of private consultants.

The case study and results provide an alternative perspective of TT endeavours, emphasising the importance given by TT stakeholders (mostly recipient companies) to private consultants’ involvement as innovation intermediaries.

Peru is among several underdeveloped countries that is developing its industries at such a rate as to lead to a serious shortage of skill craftsmen and technicians. Though in the past its skilled fine metalwork, pottery and textiles were among the best in the world — today's industrial situation demands totally different skills. Due to lack of training facilities and of experienced personnel to man them, the working population has been unable to keep pace with the rate of industrial development. To counter this acute shortage the Peruvians have established a National Apprenticeship and Industrial Labour Service — SENATI — which is described in detail below.

As a growing literature points out (Aronowitz, 2009, pp. 165–213), HT becomes criminal because it involves displacing, exploiting and commercializing a human being, all of these necessitating transportation, trade and torture to varying degrees to survive and succeed (Nair, 2010, pp. 12–19). John T. Picarelli informs us, these began ‘in the Americas’ from 1502, ‘when Portuguese traders brought the first African slaves to the Caribbean’ (Picarelli, 2011, p. 180, but see all of Chapter 9). African slaves continued to be imported into the United States until 1808, but by the time the 13th Amendment ‘outlawed’ indentured servitude in 1865, the 645,000 slaves shipped from Africa had multiplied beyond 4 million, to whom were added (a) Chinese women, ‘to work in brothels … to serve both the Chinese and white communities’ after the 1860s; (b) Europeans, through collusion between ‘criminal syndicates’ and ‘U.S. [law enforcement] officials’, in what was called ‘the white slave trade’ from the 1880s (Shelley, 2010, pp. 235, 237); and (c) Hispanics (Alba & Nee, 2003; Gordon, 1964; Suárez-Orozco, 1998), in tandem with the dominant U.S. migratory inflows and economic needs after the 1960s (Borjas, 1999; Huntington, 2004, pp. 30–45), and the emergence of sex tourism after the Cold War (Clift & Carter, 2000; María Agustin, 2007; Rogers, 2009; Thorbek & Bandana Pattanaik, 2002).

This study aims to estimate the overall SARS-CoV-2 seroprevalence and evaluate the accuracy of an antibody rapid test compared to a reference serological assay during a COVID-19 outbreak in a prison complex housing over 13,000 prisoners in Brasília.

The authors obtained a randomized, stratified representative sample of each prison unit and conducted a repeated serosurvey among prisoners between June and July 2020, using a lateral-flow immunochromatographic assay (LFIA). Samples were also retested using a chemiluminescence enzyme immunoassay (CLIA) to compare SARS-CoV-2 seroprevalence and 21-days incidence, as well as to estimate the overall infection fatality rate (IFR) and determine the diagnostic accuracy of the LFIA test.

This study identified 485 eligible individuals and enrolled 460 participants. Baseline and 21-days follow-up seroprevalence were estimated at 52.0% (95% CI 44.9–59.0) and 56.7% (95% CI 48.2–65.3) with LFIA; and 80.7% (95% CI 74.1–87.3) and 81.1% (95% CI 74.4–87.8) with CLIA, with an overall IFR of 0.02%. There were 78.2% (95% CI 66.7–89.7) symptomatic individuals among the positive cases. Sensitivity and specificity of LFIA were estimated at 43.4% and 83.3% for IgM; 46.5% and 91.5% for IgG; and 59.1% and 77.3% for combined tests.

The authors found high seroprevalence of anti-SARS-CoV-2 antibodies within the prison complex. The occurrence of asymptomatic infection highlights the importance of periodic mass testing in addition to case-finding of symptomatic individuals; however, the field performance of LFIA tests should be validated. This study recommends that vaccination strategies consider the inclusion of prisoners and prison staff in priority groups.

The knowledge‐based theory argues that the strategy of internal diversification reflects a process of branching‐out, combination and transformation of the organization’s traditional knowledge bases. From this theory, this paper has the purpose to describe the cycles and phases in the process of knowledge creation that lead to the creation of new knowledge and consequently new product and business in a diversified Spanish firm. From the case study findings a theoretical proposition is derived in order to support the theoretical argument of the theory of knowledge creation.