Operations management and the resource based view: another view

This paper evaluates the usefulness of the resource-based view (RBV) to the field of operations management. Based on the seminal RBV articles, we argue that using the RBV does not align with the objectives and activities of operations management researchers in several ways. First, the dependent variable in the RBV is sustained competitive advantage. Using sustained competitive advantage as a dependent variable implies that scholars focus on explaining the differences between the relatively few firms with sustained competitive advantage and all the other firms, ignoring performance variations within the great mass of firms. In addition, competitive advantage exists at the level of the business or the firm and does not directly translate into the normal level of operations management research. Measuring sustained competitive advantage also presents difficulties. Second, the explanatory variables in the RBV are resources that must be rare, valuable and hard or impossible to imitate. Measuring valuable resources or factors firms cannot imitate poses serious problems both in demonstrating value independent of the factor's impact on performance (i.e., avoiding tautology) and in measuring unique or nearly unique entities. Third, under the RBV, prescription is problematic; you cannot prescribe things that firms can readily implement because such things can be imitated. We present the practice-based view (PBV) as a simpler and better alternative for operations management where scholars attempt to explain the entire range of firm and unit performance based on transferable practices

The global energy balance of Titan

The global energy budget of planets and their moons is a critical factor to influence the climate change on these objects. Here we report the first measurement of the global emitted power of Titan. Long-term (2004–2010) observations conducted by the Composite Infrared Spectrometer (CIRS) onboard Cassini reveal that the total emitted power by Titan is (2.84 ± 0.01) × 10^(14) watts. Together with previous measurements of the global absorbed solar power of Titan, the CIRS measurements indicate that the global energy budget of Titan is in equilibrium within measurement error. The uncertainty in the absorbed solar energy places an upper limit on the energy imbalance of 6.0%

Outsourcing and financial performance: A negative curvilinear effect

This study asks how a firm's degree of outsourcing across all activities influences financial performance. We argue there is an optimal degree of outsourcing, where firms outsource some activities yet integrate others, and that deviations lower performance in a negatively curvilinear fashion. We find empirical support, using 1995 and 1998 data on a sample of manufacturing businesses in the Netherlands, and show that the steepness of the curve increases under conditions of high uncertainty. We show the magnitude of the uncertainty effect on performance outcomes through a post hoc scenario analysis. Thus we provide a specific, theoretically and empirically grounded prediction of how outsourcing affects performance with implications for theory and practice

Mineral nutrition in penaeid shrimp

This review summarises the current knowledge of mineral nutrition for penaeid shrimp. It investigates how the aquatic environment and the lifecycle of shrimp affect requirements and the role that minerals play in shrimp health. Methods of supplying minerals via either water or to feed, and novel ways of supplementing minerals within feed, are discussed. The requirements for individual minerals are summarised with recommendations for minimum levels of dietary inclusion for semi-intensive and intensive commercial shrimp culture presented where data permits. Estimates of dietary requirement remain broad for most minerals for the main shrimp production species (Penaeus vannamei, Penaeus monodon and Penaeus japonicus), with some essential minerals remaining unstudied (Table 2 in Section 5.10). Mineral nutrition will become more important as intensification and diversification of production systems provide new challenges to shrimp aquaculture.</p

Combining acceptance and commitment therapy with adventure therapy to promote psychological wellbeing for children at-risk

With high rates of psychological distress reported amongst children internationally, the development and evaluation of new program initiatives is critical in order to meet the challenge of this burgeoning issue. Both acceptance and commitment therapy and adventure therapy are emerging as popular strategies to elevate psychological wellbeing. This small-scale program evaluation focuses on nine upper primary school-aged children enrolled in a specialist school in Australia for children with challenging behavior and/or emotional needs. Participants completed a newly developed 8-week intervention entitled ‘ACT in the Outdoors’ which combined key principles of both acceptance and commitment therapy and adventure therapy. The program was evaluated via a combination of pre and post participant psychological measures, and post interviews with participants and teachers. The results of this small-scale preliminary evaluation suggest that a portion of the participating children reported improvements in psychological wellbeing and skill development. Improvements appear to be mitigated by attendance and level of psychological wellbeing upon program entry. Based on this premise, the results suggest that more research is warranted to further understand the potential benefit of this innovative interdisciplinary approach

Managing for Stakeholders, Stakeholder Utility Functions, and Competitive Advantage

A firm that manages for stakeholders allocates more resources to satisfying the needs and demands of its legitimate stakeholders than what is necessary to simply retain their willful participation in the productive activities of the firm. Firms that exhibit this sort of behavior develop trusting relationships with stakeholders based on principles of distributional, procedural and interactional justice. Under these conditions, stakeholders are more likely to share nuanced information regarding their utility functions, which increases the ability of the firm to allocate its resources to areas that will best satisfy them (thus increasing demand for business transactions with the firm). In addition, this information can spur innovation, as well as allowing the firm to deal better with changes in the environment. Competitive advantages stemming from a managing-for-stakeholders approach are argued to be sustainable because they are associated with path dependence and causal ambiguity. These explanations provide a strong rationale for including stakeholder theory in the discussion of firm competitiveness and performance

Knowledge acquisition for the internationalization of the smaller firm: content and sources

Internationalization process research emphasizes accumulated experience and networks as sources of knowledge for internationalization. Our understanding, however, as to what this knowledge is in practice for smaller firms, the challenges they face in acquiring it, and how they address those challenges is limited. Integrating organizational learning concepts with our theoretical understanding of the small firm internationalization process, we develop a new framework for understanding knowledge acquisition processes, which are examined with a case study of 10 Scottish internationalizing firms. We find smaller firms may not have relevant experience or useful networks, and rely on sources rarely recognised before. Firms used recruitment, government advisors and consultants to acquire indirect experience. Recruitment is a source of market and technological knowledge and government advisors and consultants a source of internationalization knowledge. Accessing internal information is important for firms that have internationalized. Our integrated theoretical framework identifies knowledge content and sources that are critical for internationalization, but that may be absent

Emitted Power Of Jupiter Based On Cassini CIRS And VIMS Observations

The emitted power of Jupiter and its meridional distribution are determined from observations by the Composite Infrared Spectrometer (CIRS) and Visual and Infrared Spectrometer (VIMS) onboard Cassini during its flyby en route to Saturn in late 2000 and early 2001. Jupiter's global- average emitted power and effective temperature are measured to be 14.10+/-0.03 W/sq m and 125.57+/-0.07 K, respectively. On a global scale, Jupiter's 5-micron thermal emission contributes approx. 0.7+/-0.1 % to the total emitted power at the global scale, but it can reach approx. 1.9+/-0.6% at 15degN. The meridional distribution of emitted power shows a significant asymmetry between the two hemispheres with the emitted power in the northern hemisphere 3.0+/-0.3% larger than that in the southern hemisphere. Such an asymmetry shown in the Cassini epoch (2000-01) is not present during the Voyager epoch (1979). In addition, the global-average emitted power increased approx. 3.8+/-1.0% between the two epochs. The temporal variation of Jupiter's total emitted power is mainly due to the warming of atmospheric layers around the pressure level of 200 mbar. The temporal variation of emitted power was also discovered on Saturn (Li et al., 2010). Therefore, we suggest that the varying emitted power is a common phenomenon on the giant planets