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In this paper, 374 incidents of frog predation by spiders are reported based on a comprehensive global literature and social media survey. Frog-catching spiders have been documented from all continents except for Antarctica (>80% of the incidents occurring in the warmer areas between latitude 30° N and 30° S). Frog predation by spiders has been most frequently documented in the Neotropics, with particular concentration in the Central American and Amazon rain forests and the Brazilian Atlantic forest. The captured frogs are predominantly small-sized with an average body length of 2.76 ± 0.13 cm (usually ≈0.2–3.8 g body mass). All stages of the frogs' life cycle (eggs/embryos, hatchlings, tadpoles, emerging metamorphs, immature post-metamorphs, adults) are vulnerable to spider predation. The majority (85%) of the 374 reported incidents of frog predation were attributable to web-less hunting spiders (in particular from the superfamilies Ctenoidea and Lycosoidea) which kill frogs by injection of powerful neurotoxins. The frog-catching spiders are predominantly nocturnal with an average body length of 2.24 ± 0.12 cm (usually ≈0.1–2.7 g body mass). Altogether >200 frog species from 32 families (including several species of bitter tasting dart-poison frogs) have been documented to be hunted by >100 spider species from 22 families. Our finding that such a high diversity of spider taxa is utilizing such a high variety of frog taxa as prey is novel. The utilization of frogs as supplementary food increases the spiders' food supply (i.e., large diet breadth), and this is presumed to enhance their chance of survival. Studies from Australia and South America indicate that frogs might be a substantial component in the diet of some mygalomorph spiders (i.e., families Atracidae, Idiopidae, and Theraphosidae). Many more quantitative investigations on the natural diets of tropical spiders are needed before reliable conclusions on the importance of frogs as spider food can be drawn.

Under strict environmental regulations and intense market competition, resource-dependent enterprises face severe survival challenges. Achieving sustainable survival through the construction of internal capabilities, particularly in the absence of long-term external subsidies, represents an urgent conundrum for forestry enterprises. Integrating relevant economic and management theories, this study aims to elucidate the mechanism by which the “viability” of forestry-related leading enterprises influences their sustainable survival. Using a sample of 179 forestry-related leading enterprises in Inner Mongolia—a typical resource-rich region in China—and based on panel data from 2021 to 2023, we constructed a viability evaluation system encompassing factor endowment, technological innovation, and entrepreneurial traits, and conducted empirical analysis using statistical models. The results indicate that: (1) Enterprise viability is the core driving force promoting sustainable survival; (2) E-commerce adoption serves as a critical bridge connecting internal capabilities with external survival performance, playing a significant mediating role; (3) The higher the degree of external openness and the stronger the regional industrial comparative advantage, the more pronounced the promoting effect of viability. Furthermore, this promoting effect is significantly stronger in regions with lower ecological constraints and higher industrial agglomeration. This study suggests that policy formulation should shift from simple financial support to the cultivation of enterprises’ endogenous capabilities. By supporting technological innovation, digital transformation, and optimizing the business environment, policies can facilitate the long-term sustainable survival of enterprises.

The dynamic capabilities literature suggests that firms need to use both internal development and external sourcing to thrive over time, but we have a limited understanding of the conditions that best suit different sourcing choices. This study examines how constraints that arise from firms' existing stocks of capabilities and from their internal social contexts shape their choices of capability-sourcing modes and, in turn, their ability to obtain new capabilities. Thus, the research focuses on an underemphasized form of dynamic capability: the ability to select appropriate modes of capability sourcing. We test the arguments with a survey and longitudinal survival study of the international telecommunications industry. We find intriguing variations in the way that firms' selection capability influences their ability to renew their capabilities and, ultimately, to survive.

Seedling survival and successful forest restoration involves many silvicultural practices. One important aspect of a successful forest restoration program is planting quality seedlings with high survival capability. Thus the nursery needs to create seedlings with plant attributes that allow for the best chance of success once a seedling is field planted. Since the mid-twentieth century, research foresters have critically examined plant attributes that confer improved seedling survival to field site conditions. This review describes the value of commonly measured seedling quality material (i.e. shoot height, stem diameter, root mass, shoot to root ratio, drought resistance, mineral nutrient status) and performance (i.e. freezing tolerance and root growth) plant attributes defined as important in answering the question of why seedlings survive after planting. Desirable levels of these plant attributes can increase the speed with which seedlings overcome planting stress, become ‘coupled’ to the forest restoration site, thereby ensuring successful seedling establishment. Although planting seedlings with these desirable plant attributes does not guarantee high survival rates; planting seedlings with desirable plant attributes increases chances for survival after field planting.

Purpose – The purpose of this paper is to present a framework for improving innovation capability through performance measurement in small- and medium-sized enterprises (SMEs). The development of an organisation’s innovation capability is considered increasingly important in the current literature. Developing such capability is essential, as innovation plays a key role in the survival and growth of organisations. A review of current literature highlights the need for a framework on the development of innovation capability, especially in SMEs. Design/methodology/approach – A literature review was used to form an understanding of previous work in the research area. Previous literature was used to define the key concepts and further to build the conceptual framework. Findings – As a result of the study, a framework for improving innovation capability through performance measurement in SMEs is presented. Key issues that must be addressed are highlighted and discussed. Practical/implications – The paper contains suggestions for improving innovation capability through performance measurement. Using the results of this study, practitioners can enhance their innovation capability by measurement and by taking better account of different situations regarding the development of innovation capability. The framework clarifies the issue of how innovation capability and its determinants can be managed through measurement, and therefore it assists especially SMEs in their attempts to cope with the increasing need for innovation as an asset of their business performance. Originality/value – There are very few examples in the current literature of frameworks for the issue, especially for SMEs. The role of performance measurement in developing innovation capability is also ignored in the current literature. The paper is relevant for academics, as it clarifies the existing body of knowledge and provides a platform for future research.

In various applied disciplines, the modeling of continuous data often requires the use of flexible continuous distributions. Meeting this demand calls for the introduction of new continuous distributions that possess desirable characteristics. This paper introduces a new continuous distribution. Several estimators for estimating the unknown parameters of the new distribution are discussed and their efficiency is assessed through Monte Carlo simulations. Furthermore, the process capability index S pmk is examined when the underlying distribution is the proposed distribution. The maximum likelihood estimation of the S pmk is also studied. The asymptotic confidence interval is also constructed for S pmk . The simulation results indicate that estimators for both the unknown parameters of the new distribution and the S pmk provide reasonable results. Some practical analyses are also performed on both the new distribution and the S pmk . The results of the conducted data analysis indicate that the new distribution yields effective outcomes in modeling lifetime data in the literature. Similarly, the data analyses performed for S pmk illustrate that the new distribution can be utilized for process capability indices by quality controllers.

In this paper, a new bounded distribution is introduced and some distributional properties of the new distribution are discussed. Moreover, the new distribution is implemented in the field of engineering to the C pc process capability index. Three unknown parameters of the distribution are estimated with several estimators, and the performances of the estimators are evaluated with a Monte Carlo simulation. A new regression model is introduced based on this new distribution as an alternative to beta and Kumaraswamy models. Furthermore, it is considered one of the first studies where regression model parameters are estimated using least squares, weighted least squares, Cramér–von Mises, and maximum product spacing estimators other than the maximum likelihood. The efficiency of the estimators for the parameters of the regression model is further assessed through a simulation. Real datasets are analyzed to demonstrate the applicability of the new distribution and regression model.

This paper examines whether founders' backgrounds influence new firm survival in the early years after startup, focusing, in particular, on the impact of unemployment-driven entrepreneurship. For entrepreneurs who left their previous employment to found a new firm, both general and specific human capital play a key role in enhancing early survival chances. However, various forms of human capital have little effect on early survival of unemploymentdriven entrepreneurs, who rely mostly on previous entrepreneurial experience to persevere. Results suggest that pre-entry capabilities play an important role in the early success of opportunity-based entrepreneurs, but have little influence on the early success of necessity-based ones.

PurposeThe objective of this research is to investigate the influence of family involvement in business and innovation capability on sustainable longevity of family firms.Design/methodology/approachData collected from 553 executives of 200 family firms that survived to the second generation and beyond was analyzed using partial least square (PLS) approach of structural equation modeling (SEM) to test the hypotheses and validate the model.FindingsThe results provided evidence of the significant influence of family involvement in business on sustainable longevity of family firms and partial mediation of innovation capability between family involvement in business and corporate sustainable longevity.Research limitations/implicationsThe sample included family firms owned and governed by the owner family. The future researchers may focus on professionally managed or publicly listed family firms.Practical implicationsThe path to family firms' sustainable longevity goes through innovation capability apart from effective family control, succession, commitment to the business and family enrichment. That requires the family firm to be proactive in innovation capability.Originality/valueFamily firms are the dominant form of business representing around 80% of global business structure that strives for survival and consistently pursues sustainable longevity strategies. In the current globally competitive environment, innovation capability has become a matter of life and death for any firm. Based on the transaction cost economics (TCE) theory of family firms, this study proposes an integrative model of sustainable longevity for family firms.

Firms globally are transforming digitally to enhance performance through building differentiated organizational capabilities within their digital ecosystem to maximize value. Drawing from the dynamic capability theory, this study aims to investigate the sources of sustainable competitive advantage, based on data from the UAE, by examining the impact of strategic orientations on firms’ survival through integrated strategic capabilities, adaptive marketing capability, and market ambidexterity. The choice of the UAE was based on two rational reasons. First, the adoption of new technologies is excelling in the UAE’s competitive environment especially AI, cloud, and data solutions across services industries, e.g., ICT, Telecom, Aviation, etc. Second, the government drives the digital economy to enhance the country’s positioning globally. Following a quantitative approach with a sample size of 185 service firms operating in the UAE, the study identifies how strategic orientations enable service firms’ long-term survival. Moreover, it assesses the moderating role of digital transformation between strategic orientations and sustainable competitive advantage through integrated strategic capabilities. Thus, it provides a better understanding of the dynamic capabilities of firms transforming digitally. The study revealed that strategic orientations positively enable the development of integrated strategic capabilities. The latter mediate significantly between strategic orientations and sustainable competitive advantage. It confirms that digital transformation is strengthening the relationship between strategic orientations and sustainable competitive advantage through the integrated strategic capabilities. The study contributes to evolving new forms of integrated strategic capabilities as sources for sustainable competitive advantage. It confirms the adaptive marketing capability and market ambidexterity integration and thus enriches the dynamic capability theory and ambidexterity theory body of knowledge.