Norwegian Case Research Articles

APOBEC3A/B deletion polymorphism and endometrial cancer risk.

A common 30 kb deletion affecting the APOBEC3A and APOBEC3B genes has been linked to increased APOBEC activity and APOBEC-related mutational signatures in human cancers. The role of this deletion as a cancer risk factor remains controversial. We genotyped the APOBEC3A/B deletion in a sample of 1,470 Norwegian endometrial cancer cases and compared to 1,918 healthy controls. For assessment across Caucasian populations, we mined genotypes of the SNP rs12628403, which is in strong linkage disequilibrium with the deletion, in a GWAS dataset of 4,274 cases and 18,125 healthy controls, through the ECAC consortium. We found the APOBEC3A/B deletion variant to be significantly associated with reduced risk of endometrial cancer among Norwegian women (OR = 0.75; 95% CI = 0.62-0.91; p = 0.003; dominant model). Similar results were found in the subgroup of endometrioid endometrial cancer (OR = 0.64; 95% CI = 0.51-0.79; p = 3.6 × 10-5 ; dominant model). The observed risk reduction was particularly strong among individuals in the range of 50-60 years of age (OR = 0.51; 95% CI = 0.33-0.78; p = 0.002; dominant model). In the different populations included in the ECAC dataset, the ORs varied from 0.85 to 1.05. Although five out of six populations revealed ORs <1.0, the overall estimate was nonsignificant and, as such, did not formally validate the findings in the Norwegian cohort. The APOBEC3A/B deletion polymorphism is associated with a decreased risk of endometrial cancer in the Norwegian population.

The convivial concealment of religion: Navigating religious diversity during meals in early childhood education – A Norwegian case

ABSTRACT How are religiously based eating regulations navigated in kindergarten, and how does the pedagogical context influence the children’s understandings of religion and nationality? This article builds on a qualitative case study involving observations and group interviews with children in a Norwegian kindergarten. At mealtimes, some children ate different food than their peers due to religiously based eating regulations. Notably, no children connected these differences to religion. Utilising Paul Gilroy's concept of conviviality, I argue that the staff contribute to a convivial concealment of religion. Their approach avoids reducing children to their religious background, and facilitates connections based on shared experiences and interests. However, it fails to give children a deeper understanding of religious diversity and does not address problematic aspects of some children’s working theories. Thus, convivial concealment may contribute to subtle, but significant, processes of exclusion. The study contributes to discussions of everyday religious diversity in educational settings, coining the term ‘convivial concealment of religion’ and analysing consequences of this pedagogical practice.

A Wealth Tax at Work

Abstract Over the past decade, the question of whether and, in the event, how to tax household wealth has risen to the forefront of policy debates across the world. As Norway belongs to only a handful of countries that (still) levy an annual net wealth tax, we use the Norwegian example to review the case for annual taxation of wealth. Our discussion benefits from the use of rich administrative data, enabling us to provide a comprehensive set of empirical facts that are useful in assessing the merits of wealth taxation. We consider some of the central issues in the wealth tax debate: how the taxation of wealth fits in with personal income tax, distortionary effects, redistributional effects, and the extent to which wealth taxation may cause adverse liquidity effects for private firms. Taken together, we consider that the evidence presented here does not weaken the case for maintaining the tax in the Norwegian case: we find favorable distributional effects and efficiency losses appear to be limited (JEL codes: H21, H23, H25, and H31).

Using Merged Pre-Fishery Abundance as a Parameter Evaluating the Status of Atlantic Salmon and Anadromous Brown Trout Populations: A Norwegian Case Study

Methods used to monitor variation in population sizes in both Atlantic salmon and anadromous brown trout (sea trout) have been widely used in Norway the last 20 years. However, a national management regime, based on population data, has only been established for one of the two species, the Atlantic salmon. One prerequisite for using this “one species” model is that there is negligible interspecific competition between salmon and trout in the rivers. This may, however, be an oversimplification of the real situation. The pre-fishery abundance (PFA), monitored with combination of underwater video systems, snorkelling counts, and catch statistics will, in most rivers, include both salmon and Sea Trout. In the present study, we estimated a total PFA for rivers, or groups of rivers, in eight regions in Norway in 2019. The total size of each river system was measured by abiotic factors such as river area, river length, annual mean water flow, and size of precipitation field; additionally, one biotic factor, smolt age, was used to standardise PFA data across regions. A comparison shows that the standardised total PFA of salmon and trout varies across regions where the highest estimated PFA was four times higher than the lowest. Compared to the traditional one-species approach, the merged PFA data show a different population status in the eight regions. The difference in the two approaches was mainly linked to the variation in size in anadromous brown trout populations. Merging data from salmon and trout populations in defined regions may be a better input in a management model than the current model used by the Norwegian Scientific Committee for Salmon Management (VRL).

Key Interpretation Challenges for Wastewater-Based Epidemiology of Illicit Drugs: A Norwegian Three-City Case Study

Introduction: Wastewater-based epidemiology (WBE) has emerged as a timely, non-invasive, and cost-effective indicator of illicit drug consumption. It is increasingly used by international organizations as a proxy measure for estimates of drug prevalence and related trends. Nevertheless, the literature exploring the limitations of WBE remains limited. This paper aims to shed further light on important shortcomings of WBE with recommendations on moving forward. Method: Utilizing case study and statistical analysis, the paper critically reviews methodological challenges associated with WBE results related to (i) levels, (ii) trends, and (iii) between-city comparisons of drug use. Data from raw influent wastewater samples from wastewater plants in the cities of Oslo, Bergen and Stavanger/Sandnes were analysed for amphetamine, methamphetamine, MDMA, and cocaine (benzoylecgonine) over a 3-year period. Normalized population loads were calculated and variation in daily loads analysed with plots and estimation of means, confidence intervals, and coefficient of variation. Linear regression models examined trends and between-city differences. Results: Plots and statistical analyses revealed extensive variation in daily loads, with min/max values of 6.1/453.9 mg/day per 1,000 inhabitants 15–64 years for amphetamine and correspondingly 9.4/675.9 mg for methamphetamine. Substantial differences in load levels and patterns across time and plants were also observed. A carefully designed sampling procedure and a relatively large number of daily samples are required to obtain estimates of sufficient precision for determining trends in space or time. Cross-referencing with alternative trend variables can improve the interpretation of WBE trend indicators. Finally, when using mean load levels for different wastewater-treatment plants to assess spatial variation in drug use, the representativeness of the catchment area should be evaluated before interpreting observed changes as city differences. Conclusion: Although WBE is a useful supplementary indicator of illicit drug consumption, important methodological issues and potential shortcomings should be taken into account when designing sampling procedures and interpreting the analytical results.

The classification and reutilisation of recycled asphalt pavement binder: Norwegian case study

With increased demand of asphalt pavement and limited binder and aggregate supply, the reutilisation of Recycled Asphalt Pavement (RAP) has gained more attention in pavement engineering from the environmental, sustainable, and economic views. Given this background, this study aims to classify and reutilise the recycled asphalt binder collected from Norwegian fields used for new asphalt pavement. For this purpose, three RAP binders (namely RAP-1, RAP-2, and RAP-3) extracted from the recycled asphalt pavement were categorised into two types of asphalt binders by comparing them with fresh asphalt binder 70/100 and long-term aged asphalt binder in terms of the physical, chemical, rheological, and mechanical properties. The specific treatments for the two types of RAP binder were proposed: Direct application of RAP-1 and RAP-2 binders as a replacement for fresh asphalt binder; and restoring RAP-3 binder by 4% rejuvenator to the same level as a fresh asphalt binder. Finally, the feasibility of three treated RAP binders for asphalt pavement was evaluated by analysing asphalt mixture performance. The results suggested that the three RAP binders can be applied to new asphalt pavements after proper treatments.

A consensus that impedes contestation: Debating migration-related diversity in post-terror Norway

This article draws on the post-terror setting of Norway to investigate interactions between consensus, contestation, and conflict in public debates about diversity. A consensus-oriented unity prevailed in immediate responses to the 2011 terror attacks that killed 77 people in Norway. Analysis of 40 semi-structured interviews identifies lingering perceptions that the following conditions limited the space for contestation after the attacks: the intensity of the initial unity expressions; the perpetrator's identity as a Norwegian, self-proclaimed Christian crusader; and broader patterns of limited space for nuanced contestation in diversity debates. Drawing on influential political theories on liberal democratic debate, this is an empirical inquiry into when and how contestation about migration-related diversity is impeded, and with what implications. The Norwegian case illustrates that too much consensus-orientation and inadequate space for nuance can further underline conflict and thereby impede citizens’ engagement with debates about migration-related diversity.

Nitrous oxide in labour predicted newborn screening total homocysteine and is a potential risk factor for infant vitamin B12 deficiency.

Risk factors for vitamin B12 deficiency in infants are not fully understood. The aim of the study was to assess predictors of total homocysteine and methylmalonic acid analysed in newborn screening dried blood spots. In a Norwegian case control study, we analysed total homocysteine and methylmalonic acid in newborn screening dried blood spots of 86 infants clinically diagnosed with vitamin B12 deficiency during 2012-2018. Results were compared to 252 healthy infants and 400 dried blood spot controls. Medical records were reviewed, and mothers completed questionnaires. Both total homocysteine and methylmalonic acid were significantly higher on newborn screening dried blood spots in infants later clinically diagnosed with vitamin B12 deficiency than controls. Multiple regression analysis showed that the dose of nitrous oxide during labour was the strongest predictor for total homocysteine level in newborn screening dried blood spots for all infants, with larger effect in infants later clinically diagnosed with vitamin B12 deficiency than controls. Nitrous oxide dose during labour was a predictor for total homocysteine and may impact the interpretation of total homocysteine analysis in newborn screening. Nitrous oxide is suggested as a contributing risk factor for infants prone to develop vitamin B12 deficiency.

Characterisation of Norwegian Battery Electric Vehicle Owners by Level of Adoption

In this paper we investigate differences between groups of Norwegian electric vehicle owners, sorted by their adoption level. The grouping is based on adoption theory and the share of battery electric vehicles in new car sales numbers. We investigate Norwegian adopters’ preferences, values, and motivations for choosing a battery electric vehicle. The main data source is a yearly survey between 2015 and 2020 amongst Norwegian electric vehicle drivers. The motivation of the study is to reveal different choices by the adopter groups, contributing to policy recommendations and incentives for other countries. However, the Norwegian case might be a special one, having economic advantages which many other countries do not have access to. We assess the validity of the results and policy recommendations by analysing the results of a survey amongst the Nordic countries on investment choices concerning battery electric vehicles.

Socio-technical imaginaries of a circular economy in governmental discourse and among science, technology, and innovation actors: A Norwegian case study

A growing body of research is investigating the connections between the discursive construction of circular economy (CE) and its influences on public policies that promote the socio-technological transition towards circular production and consumption systems. However, surprisingly little attention has focused on how CE discourses interact with science, technology, and innovation (ST&I) actors. To address this gap, this research adopts the prism of socio-technical imaginaries to understand specific visions of circularity in science and innovation, exploring how competing imaginaries mobilize specific actors, institutions, and visions of a greener future. Our empirical material included archival documentation from the Norwegian government and funded research projects on CE. Our analysis identified two key tension points within these imaginaries: “International drivers versus regional and local transition arenas” and “Ecological modernization versus sectoral transformation.” We suggest that tensions are inherent in CE socio-technical imaginaries but are often silenced or minimized by institutional discourses on circularity. Our findings suggest that official CE policy programs tend to minimize or overtly ignore criticisms and contestation that are increasingly raised in academic circles. Our findings indicate the need for increased involvement of ST&I actors and other societal actors (such as NGOs and the private sector) in the CE policymaking process to avoid endless growth as an unexpected CE policy outcome.

Affluence and Influence in a Social Democracy

Research from the United States and Europe suggests that affluent citizens enjoy considerably more policy influence than do average citizens and the poor. I examine the extent of unequal policy responsiveness in one of the countries that have gone farthest in reducing economic inequality and restricting money in politics: Norway. I use an original dataset on public opinion and public policy containing 603 specific issues over five decades (1966–2014). The results show that although policy is certainly skewed toward the preferences of the privileged, Norway stands out among previously studied cases for two reasons: (1) The preferences of the poor seem to have some sway on economic issues and (2) not all affluent citizens get their way: educational attainment appears to be the more important determinant. The Norwegian case suggests that influence need not be as dependent upon affluence as in the United States.

Visual Lean planning tools in the construction industry: A Norwegian case study

AbstractDespite being the world's most significant contributor to the global Gross Domestic Product, the construction industry has untapped potential in its productivity, with frequent project delays and conflicts. Thus, a growing number of contractors implement visual Lean tools, such as the Last Planner® System (LPS). The paper explores the essential visual Lean planning elements to increase the cohesion between planning and production in construction projects through a project case study and lessons learned in the industry. The research indicates that look‐ahead plans, soundness checks, early phase planning, BIM models, and applying visual Lean planning in both the design and production phases are critical success factors when using the LPS.

Thinking with the Jewish State: The Norwegian Labour Movement, Israel and ‘Civilisation’, 1949–1951

In 1949, Norwegian social democratic representations of Zionism and Israel shifted from mere support to idealisation. Despite the existence of an increasingly voluminous literature on the European left and Zionism, idealisation of Israel has never previously been explained as distinct from more general support. Regarding the Norwegian case, this article argues that idealisation differed from mere support in its implicit message about the status of ‘civilisation’. Support for Zionism in 1947–8 had been founded on the notion that Europeans needed to ensure the survival of the Jews in a Jewish state in order for European civilisation itself to survive. The idealisation of Israel that emerged from 1949 implicitly argued that Israel proved the attainability of the civilisational ideal and removed from European shoulders the obligation to ensure civilisation's survival. For the Norwegian labour movement, the 1949 decision to make Norway a founding member of NATO contributed to making idealisation of Israel particularly desirable.

BATTPOWER application: Large-scale integration of EVs in an active distribution grid – A Norwegian case study

With the considerable increase of Distributed Energy Resources (DER), reliable and cost-effective operation of distribution grids becomes challenging. The efficient operation relies on computationally dependable and tractable optimisation solvers, which may handle: 1) non-linear AC power flow constraints, and 2) time-linking variables and constraints and objectives of DER, over the operational horizon. In this paper, we introduce an application of a high-performance MultiPeriod AC Optimal Power Flow (MPOPF) solver, called “BATTPOWER”, to simulate active distribution grids for a near-future scenario. A large-scale Norwegian distribution grid along with a large population of Electric Vehicles (EV) are here taken as the case-study. We suggest and analyse three operational strategies (in terms of control of charge scheduling fleet of EV) for the Distribution System Operator (DSO): (a) uncoordinated charge scheduling, (b) coordinated charge scheduling with the objective of energy cost-minimisation without operational constraints of the grid, and (c) coordinated charge scheduling with the objective of energy cost-minimisation along with the operational constraints of the grid. The results demonstrate that the uncoordinated charging would lead to: 1) overloading of lines and transformers when the share of EVs is above 20%, and 2) higher operational costs than the proposed control strategies of (b) and (c). In strategy (b) operational line/transformer limits are violated when the populations of EVs are growing above 36%. This implies that current market design must be altered to allow active control of a large proportion of DERs within grid operational limits to achieve cost minimization at system level. To our knowledge, the work presented in this paper is the first ever attempt to do a comprehensive analysis of the impact of EV charging demand on a real Norwegian distribution grid. Moreover, the inference of the analysis says that the Norwegian distribution networks are more prone to congestion problems than the voltage problems for the EV demand which includes a smart charging scheme accounting for grid conditions.

Assessing customer engagement in electricity distribution-level flexibility product provision: The Norwegian case

Procurement of demand-side flexibility at the distribution network level, as a cost-efficient alternative to traditional network reinforcement, requires customer engagement in the long-term. Potential limitations and benefits of alternative flexibility instruments (flexibility contracts, local flexibility markets, and dynamic network tariffs) for procuring such flexibility service are presented first. Secondly, a methodology is proposed to assess customer engagement and its effect on network reinforcement requirements and total system costs. An explicit flexibility instrument (a demand response program compensating customer for reductions in network withdrawals) is considered under two scenarios, one with a standard distribution network tariff (fixed and volumetric charges), and one with a dynamic distribution network tariff (fixed and critical peak charges). Rational customers’ responses are simulated, under both scenarios, using parameters and actual 2019 data for the Skagerak pilot project in Norway. Results confirm that flexibility instruments interact with one another, shaping customer engagement. Specifically for the observed case, the efficacy of the demand response program was found to be significantly enhanced by the simultaneous implementation of a dynamic distribution network tariff, leading to deferred network reinforcements, and higher system-wide economic efficiency.

The Case for Policy in Developing Offshore Wind: Lessons from Norway

Offshore wind (OSW) has the potential to cut greenhouse gas (GHG) emissions and halt damaging climate change. However, policies to foster an OSW industry in Norway have long been small and scarce. Recent events suggest that this is changing, as the state-owned enterprise Enova decided to grant a record NOK 2.3 bn to build the world’s largest floating offshore wind farm in 2019, the Hywind Tampen project. Based on previous work by the corresponding author, we summarize the political development of OSW in Norway to distil generalisable lessons. The corresponding author employed interviews, document analysis and process tracing, using a theory of policy change to characterise the observed political change. She found that the main obstacle for early OSW deployment has been that environmental and visibility concerns have exacerbated energy–political ones that are created by a longstanding lack of local energy demands. As the green energy demand on a global scale is soaring, the lack of OSW deployment for exports implies that climate–political objectives have been subordinated to energy–political ones, in the formulation of Norwegian OSW policies. This hierarchy of goals was not deemed to have changed, despite the recent political developments in the policy area of Norwegian OSW. Hence, the Norwegian case demonstrates the role of context and national sectoral policies in deciding the pace of sustainable energy transitions. It is suggested that future research considers how policy best practices for renewable energy deployment could be adjusted across varying national contexts to overcome political hurdles to the sustainable transition.

The Macroeconomic Results of Diligent Resource Revenues Management: The Norwegian Case

Many commodity-exporting countries saw their revenues plummet and experienced fiscal deficits during the pandemic. The economic rebound will restore resource exports/revenues and a new round of debate will be initiated on revenues utilization. Countries will decide either to internalize revenues or capitalize them with investments abroad. Our autoregressive distributed lag (ARDL) models provide evidence of the benefits Norway enjoys since it has not internalized revenues. The currency rate, long-term bond yields, and GDP growth are insulated from prices volatility. Furthermore, the country can absorb currency appreciations/devaluations and long-term credit rate hikes through government expenditure. However, monetary steering is favored in the long term (absorbs yield increases), while in the short run it can allow for speculative activities by credit investors. Countries should not internalize resource revenues to avoid experiencing decreased competitiveness and economic growth and increased credit rates. However, the temptation will be high enough since deficits and support packages cost a lot. This study also includes years of low prices. Thus, our research reveals the extent and limitations of diligent revenue management from a country considered as a role model.

Challenges to the legal regulation of health services and protection under the Covid-19 pandemic: Combining new health technologies, health protection, ethics and social trust, the Norwegian case and a Nordic comparison

Challenges to the legal regulation of health services and protection under the Covid-19 pandemic: Combining new health technologies, health protection, ethics and social trust, the Norwegian case and a Nordic comparison

Maritime Cyber-Insurance: The Norwegian Case

Maritime Cyber-Insurance: The Norwegian Case

Maritime cyber-insurance: the Norwegian case

Maritime cyber-insurance: the Norwegian case