A terminal assessment of stages theory : introducing a dynamic states approach to entrepreneurship

Stages of Growth models were the most frequent theoretical approach to understanding entrepreneurial business growth from 1962 to 2006; they built on the growth imperative and developmental models of that time. An analysis of the universe of such models (N=104) published in the management literature shows no consensus on basic constructs of the approach, nor is there any empirical confirmations of stages theory. However, by changing two propositions of the stages models, a new dynamic states approach is derived. The dynamic states approach has far greater explanatory power than its precursor, and is compatible with leading edge research in entrepreneurship

The Moderating Effect of Environmental Uncertainty on New Product Development and Time Efficiency*

This empirical study examines the influence of environmental uncertainty on industrial product innovation. The present study addresses what is believed to be a shortcoming in the new product development literature and explores potential effects of environmental uncertainty on the development process, project organization, and on project timeliness with a sample of development projects in two countries, Canada and Australia. When looking at the combined sample of 182 completed projects, this study finds that the perceived market-related project environment has a direct and positive impact on time efficiency. Further, this research finds that a higher degree of technological uncertainty moderates the relationship between development process, project organization and time efficiency. Consequently, innovating companies may benefit by adapting some of their development approaches to different environmental conditions and to varying degrees of uncertainty. However, when examining country-specific effects, the results change quite significantly. In particular, the findings indicate that environmental uncertainty in the Canadian sample neither directly impacts time efficiency, nor does it have any moderating effect. Instead, technical proficiency in the development process, project team organization, and process compression appear to be viable strategies to increase time-efficient development. In contrast, the results of the Australian study suggest that perceived market and technological uncertainty impact time efficiency. In particular, under conditions of technological unpredictability, project team organization increases time efficiency, whereas process compression appears to decrease time-efficient product development. However, process compression seems to be a viable strategy in environments characterized by lower technological uncertainty. The results also point to the importance of disaggregating data when studying product development processes across countries

Plant-insect interactions: Double-dating associated insect and plant lineages reveals asynchronous radiations

An increasing number of plant-insect studies using phylogenetic analysis suggest that cospeciation events are rare in plant - insect systems. Instead, nonrandom patterns of phylogenetic congruence are produced by phylogenetically conserved host switching ( to related plants) or tracking of particular resources or traits ( e. g., chemical). The dominance of host switching in many phytophagous insect groups may make the detection of genuine cospeciation events difficult. One important test of putative cospeciation events is to verify whether reciprocal speciation is temporally plausible. We explored techniques for double-dating of both plant and insect phylogenies. We use dated molecular phylogenies of a psyllid (Hemiptera) - Genisteae (Fabaceae) system, a predominantly monophagous insect - plant association widespread on the Atlantic Macaronesian islands. Phylogenetic reconciliation analysis suggests high levels of parallel cladogenesis between legumes and psyllids. However, dating using molecular clocks calibrated on known geological ages of the Macaronesian islands revealed that the legume and psyllid radiations were not contemporaneous but sequential. Whereas the main plant radiation occurred some 8 million years ago, the insect radiation occurred about 3 million years ago. We estimated that greater than 60% of the psyllid speciation has resulted from host switching between related hosts. The only evidence for true cospeciation is in the much more recent and localized radiation of genistoid legumes in the Canary Islands, where the psyllid and legume radiations have been partially contemporaneous. The identification of specific cospeciation events over this time period, however, is hindered by the phylogenetic uncertainty in both legume and psyllid phylogenies due to the apparent rapidity of the species radiation

Nursing skill mix in European hospitals: Cross-sectional study of the association with mortality, patient ratings, and quality of care

Objectives To determine the association of hospital nursing skill mix with patient mortality, patient ratings of their care and indicators of quality of care. Design Cross-sectional patient discharge data, hospital characteristics and nurse and patient survey data were merged and analysed using generalised estimating equations (GEE) and logistic regression models. Setting Adult acute care hospitals in Belgium, England, Finland, Ireland, Spain and Switzerland. Participants Survey data were collected from 13 077 nurses in 243 hospitals, and 18 828 patients in 182 of the same hospitals in the six countries. Discharge data were obtained for 275 519 surgical patients in 188 of these hospitals. Main outcome measures Patient mortality, patient ratings of care, care quality, patient safety, adverse events and nurse burnout and job dissatisfaction. Results Richer nurse skill mix (eg, every 10-point increase in the percentage of professional nurses among all nursing personnel) was associated with lower odds of mortality (OR=0.89), lower odds of low hospital ratings from patients (OR=0.90) and lower odds of reports of poor quality (OR=0.89), poor safety grades (OR=0.85) and other poor outcomes (0.80<OR<0.93), after adjusting for patient and hospital factors. Each 10 percentage point reduction in the proportion of professional nurses is associated with an 11% increase in the odds of death. In our hospital sample, there were an average of six caregivers for every 25 patients, four of whom were professional nurses. Substituting one nurse assistant for a professional nurse for every 25 patients is associated with a 21% increase in the odds of dying. Conclusions A bedside care workforce with a greater proportion of professional nurses is associated with better outcomes for patients and nurses. Reducing nursing skill mix by adding nursing associates and other categories of assistive nursing personnel without professional nurse qualifications may contribute to preventable deaths, Erode quality and safety of hospital care and contribute to hospital nurse shortages. © 2017 BMJ Publishing Group. All Rights Reserved

Entrepreneurship through relationships - navigating from creativity to commercialisation

This paper explores the role of relationships in the emergence of a network's value creation structure. The strategic navigation from creative exploration to global exploitation through the use of so-called transformation networks is particularly highlighted. The creativity phase requires a creator with visionary leadership. The commercialisation phase, on the other hand, requires technology integration and global marketing excellence. Realising that this requires more than a bright inventor, the creator of Anoto brought in the right complementary assets at distinct phases of the commercialisation process. Our case illustrates how integrator and marketeer profiles were brought into a networked act of entrepreneurship for joint navigation across an ocean of relationships that gave birth to a global standard for digital writing. By combining theories on open innovation and networking, a theoretical framework is developed to analyse the different nature of the networks (or the value creation structure) in which complementary assets can be accessed, transferred and transformed into commercialised innovation. The analysis suggests that the value of complementary assets are embedded in and unlocked by three distinct types of networks: creativity networks, transformation networks and process networks. It also suggests that the ideal approach to accessing complementary assets shifts over the research and development management process, and happens through these three different types and levels of networks, requiring fundamentally different approaches to leadership and relationship management. Current literature describes open and networked innovation as a continuous - not dynamic - process of exploration and exploitation without any distinction of how types and structures of networks evolve and interact in the process

Interorganizational collaboration and innovation: towards a portfolio approach.

In the literature on innovation, interorganizational collaboration has been advanced as beneficial for the innovative performance of firms. At the same time, large-scale empirical evidence for such a relationship is scarce. This article examines whether evidence can be found for the idea that interorganizational collaboration supports the effectiveness of innovation strategies. This article empirically addresses this research question by analyzing data on Belgian manufacturing firms (n 5221) collected in the Community Innovation Survey, a biannual survey organized by Eurostat and the European Commission aimed at obtaining insights into the innovation practices and performance of companies within the various European Union (EU) member states. Tobit analyses reveal a positive relationship between interorganizational collaboration and innovative performance. At the same time, the impact on innovative performance differs depending on the nature of the partner(s) involved. These findings strongly suggest the relevance of adopting a portfolio approach to interorganizational collaboration within the context of innovation strategies