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This chapter reviews marketing scholarship on environmental sustainability. The literature covers several themes of both consumer behavior and firm-level topics. Consumer issues include their assessment of efficacy and the extent to which they are aware and sensitive to environmental issues. Numerous interventions and marketing appeals for modifying attitudes and behaviors have been tested and are reported. Consumers and business managers have both been queried regarding attitudes of recycling and waste. Firm-level phenomena are reflected, including how brand managers can signal their green efforts to their customers, whether doing so is beneficial, all in conjunction with macro pressures or constraints from industry or governmental agencies. This chapter closes with a reflection on the research.

Should we include cryptocurrency in risky portfolio investing? Bitcoin, given its status as the leader of cryptocurrencies and a speculative asset due to its non-dividend-paying trait and high volatility as well as high returns, poses an interesting question whether it can also be beneficial in a portfolio of risky assets. In order to find an answer, we revisit the conventional dual objective of minimizing risk and maximizing expected return for risky assets. Various models are tested to analyze the risk-return trade-off of risky portfolios including Bitcoin. Given an initial budget for a finite portfolio, the cumulative filtration yields the expected return and the covariance matrix. With the addition of Bitcoin, we compare the performance of the portfolio generated from the optimization models and technical analysis. The main implications are follows: (1) risk tolerance and diversification constraints are the key factors in portfolio optimization; (2) including cryptocurrency enhances portfolio returns; and (3) the Markowitz model (Kataoka’s and conditional value-at-risk models) recommends to fully weigh (unload) Bitcoin in (from) the portfolio.

The phenomenon of murder-suicide (aka. homicide-suicide) makes a sizeable impact on current public perceptions and policies regarding mental illness and risk for violence. However, within the past 25 years, our understanding of murder-suicide has remained relatively stable, and so has our relative inability to reliably predict and prevent it. The purpose of this paper is to propose pathways for furthering a cogent understanding of murder-suicide that may inform specific predictive and preventative practices.

Research literature regarding empirical and theoretical positions in the fields of murder-suicide, homicide, and suicide are reviewed and discussed.

While murder-suicide has many similarities to both homicide and suicide, no current theories of either alone have been successful in fully incorporating the phenomenon of murder-suicide. Theories specific to murder-suicide as a unique form of violence are in need of further research.

Developing and empirically testing theories of murder-suicide may lead to a vast and needed improvement of our understanding, prediction, and prevention of these tragedies.

This chapter aims to review evidence of the relationships between dog ownership, dog walking and overall walking and the factors associated with dog walking. It reviews the evidence using a social ecological framework. The chapter finds that dog ownership and dog walking are associated with higher levels of walking. A number of social ecological factors are associated with dog walking. Motivation and social support provided by the dog to walk and a sense of responsibility to walk the dog are associated with higher levels of dog walking. Positive social pressure from family, friends, dog owners and veterinarians is also associated with higher levels of dog walking. Built and policy environmental characteristics influence dog walking, including dog-specific factors such as access to local attractive public open space with dog-supportive features (off-leash, dog waste bags, trash cans, signage), pet-friendly destinations (cafes, transit, workplaces, accommodation) and local laws that support dog walking. Large-scale intervention studies are required to determine the effect of increased dog walking on overall walking levels. Experimental study designs, such as natural and quasi-experiments, are needed to provide stronger evidence for causal associations between the built and policy environments and dog walking. Given the potential of dog walking to increase population-levels of walking, urban, park and recreational planners need to design neighbourhood environments that are supportive of dog walking and other physical activity. Advocacy for dog walking policy-relevant initiatives are needed to support dog walking friendly environments. Health promotion practitioners should make dog walking a key strategy in social marketing campaigns.

Previous literature suggests that exposure to trauma has both positive and negative impacts on leadership and leadership development, although there is a lack of empirical research. This exploratory study compared military leaders’ use of transformational leadership styles (TLS) before and after trauma exposure from the followers’ perspective. This study used a retrospective pretest design to survey veteran and active duty military personnel. Significant differences were found between pre- and post-trauma exposure TLS ratings, with a mean decline in the TLS after trauma exposure. The analysis of the open-ended questions indicated a reduction in the use of the TLS after trauma, but identified positive changes in some cases. There was no evidence that changes in the TLS were concentrated in any of the five styles.