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Japan's decision to release nuclear wastewater into the Pacific Ocean in 2023 has sparked strong opposition at home and abroad. In this study, Graph Model for Conflict Resolution (GMCR) method is adopted to analyze the conflict problem, and reasonable equilibrium solutions are given to solve the conflict event.

In this study, GMCR is adopted to solve the conflict problem. First, identify the key decision-makers (DMs) on the issue of nuclear effluent and the relevant options they might adopt. Second, the options of each DM are arranged and combined to form a set of feasible states. Thirdly, the graph model is constructed according to the change of DM's options, and the relative preference of each DM is determined. Finally, the conflict problem is solved according to the definition of GMCR equilibrium.

Discharging nuclear wastewater into the ocean is not the right choice to solve the problem. Developing more space to store nuclear wastewater is more conducive to the protection of the ocean environment.

It is undesirable for the Japanese government to unilaterally discharge nuclear wastewater into the ocean. Objectively assessing the radioactivity of nuclear wastewater and the cooperation of relevant stakeholders can better solve this conflict.

The problem arising from Japan's releasing plan is complicated because of a lack of information and the existence of multiple stakeholders, while GMCR can help us with a better view of the current circumstance in the conflict.

The policy choices of Eurasian states whether to form a coalition along with the “Eurasia Initiative” can be explained by the cooperative game theory. While the each bilateral relationship before making a binding agreement seems to be a non-cooperative game, the coalitions with many other states through a binding agreement of Mega-FTA would be a cooperative game. Despite the lack of numerical data, this study at least tries to show the possibility of applying the game theory to analyze the “Eurasia Initiative” and it’s the impacts of Mega-FTAs on this ambition. While the Eurasia Initiative necessarily involves some economic projects requiring enough investment promotion, Korea can strategically set up the policies linked with the development of Mega-FTAs. To utilize the investment promotive effect of Mega-FTAs, Korea has to assure that the core of the cooperation game would be the grand coalition of a Mega-FTA. If it continues to search for the best policies to maximize the superadditivity of this cooperative game, Korea will finally be able to achieve the co-promotion of Mega-FTAs and the Eurasia Initiative.

We study here the effects of FTA on demand, consumer surplus, dealer profit, and tariff revenue depending on the degree of substitution between two goods and import competition structure in a two country’s static model. We consider monopolist dealer, and perfect competition in imports market. The base model is with a positive tariff and we compare the equilibrium with a zero tariff under FTA. The rankings in the consumer utility are such that it is i) the highest under perfect competition with FTA or without FTA, ii) second highest under monopoly with FTA, and iii) the lowest under monopoly without FTA.

A case study about the creation of four scenarios that were used to make sense of the fast-moving pace of COVID-19 and the consequences for New Zealand tourism.

Adapting global visitor economy scenarios, a set of New Zealand tourism scenarios were constructed using a “back of house Shell” method and were supplemented with an expert panel to test the reliability and validity of the scenarios.

The four scenarios constructed were based on two critical uncertainties, namely economic recession and the moral dilemma of the consumer. Four scenarios were portrayed using film and TV titles to help participants visualise the scenarios. Crazy Rich Asians: Recovery represented many of the attributes of tourism in New Zealand prior to COVID-19 i.e. a focus on high value tourists from Asia. Contagion: Survival of the Fittest represented the reality of the COVID-19 pandemic. This Side of Paradise: ReThinking Tourism focused on rebuilding tourism based upon the principles of sustainability. The Colony: Gated Communities represented fortress destinations trying to keep COVID-19 at bay. Each scenario portrayed several features including a unique narrative, tourism, the tourist, vision, strategy and risks. The paper highlighted the trade-offs and conflicts between the scenarios as COVID-19 unfolded in different directions.

In a fluid situation, the paper reminds readers of the value of scenarios as framing devices to understand the fast-moving pace of COVID-19 when New Zealand was in unchartered waters. Thus, this study highlights how a scenario-planning process builds resilience and foresight to help stakeholders and actors make sense of crisis situations.

The creation of positive social change (PSC) is considered the primary success criterion when evaluating social enterprise performance. However, despite a proliferation of PSC-measurements, their empirical validity and applicability in emerging economies remain largely unclear. The quantitative study examines the validity of the PSC-measurement approaches proposed by Bloom and Smith (2010; Bloom and Smith approach [BSA]) and Weaver (2020b; Weaver approach [WA]) in South Africa.

Investigating a representative sample of 347 social entrepreneurs from Gauteng and Limpopo provinces, the authors use questionnaire data to explore the factorial, convergent and discriminant validity of both PSC-measurement approaches. Statistically, this is done by applying factorial and correlation analyses.

The results yield acknowledgeable differences. BSA has a high factorial and convergent validity, while its discriminant validity remains doubtful. For WA, problems concerning factorial validity occur.

Despite limited generalizability, the authors provide a first guideline for scholars regarding the empirical validity of BSA and WA outside the context of developed economies.

The current study sheds light on the validity of two PSC-measurement approaches in an emerging economy context. This way, the authors contribute to the field by addressing the scarcity of empirical research and the restricted scope of developed economies regarding PSC-measurement.

The purpose of this paper is to investigate the overall campaign reach and impact of the ABCs of Mental Health in Denmark; a secondary objective is to investigate how mental health-promoting beliefs and actions are associated with good mental health.

A questionnaire was administered to two representative cross-sectional samples of the Danish population (1,508 respondents in 2019; 1,507 respondents in 2021) via an online survey. The data were subsequently pooled together into one sample consisting of 3,015 respondents. In addition to questions pertaining to campaign reach and impact, the questionnaire also included a validated scale for mental well-being and questions about beliefs and actions in regard to enhancing mental health.

About 7.6% had been reached by the campaign (familiar with ABC name or messages), or 11.9% when also counting familiarity with campaign slogans. Among these, respondents reported (proportions in parentheses) that the campaign had 1) made them reflect on their mental health (74.2%), talk to friends and family about mental health (35.5%), given them new knowledge about what they can do to enhance mental health (78.4%), or take action to enhance their own mental health (16.2%). An internal well-being locus of control and proactive behaviours towards enhancing mental health are shown to be associated with higher mean scores on mental well-being, lower odds of low mental well-being and higher odds of higher mental well-being.

An internal well-being locus of control and proactive behaviours towards enhancing mental health are suggested to both prevent low levels of mental well-being and promoting high levels of mental well-being. The results indicate that the ABCs of Mental Health campaign may be implemented to promote such beliefs and actions universally throughout the population.