Bicycle-related injuries: Injury,hazard, and risk patterns

Abstract

This paper provides the results of a U.S. Consumer Product Safety Commission (CPSC) study to determine the circumstances involved in bicycle-related injuries treated in U.S. hospital emergency rooms. It also includes information from a CPSC exposure survey of the U.S. population of bicycle users and their patterns of bicycle and helmet use. Together, these data were used to identify and evaluate risk factors currently associated with bicycle use in the United States

Risk models identified factors specifically associated with injuries to children and to adults. Children were at particular risk of injury, and appeared to be especially vulnerable to head injury. In addition, the risk of injury for children was significantly increased when riding in non-daylight conditions. For both adults and children, there was a higher risk of injury on streets than in such areas as bike paths or unpaved surfaces. While some problems associated with bicycle assembly, operation, and maintenance were observed, the data did not suggest that any mechanical remedy is likely to reduce injuries substantially.     

Profitability of the CRISMA System: From World Indices to the Hong Kong Stock Market

Many studies show that the use of technical analysis can generate excess returns. We test the “CRISMA” technical trading rule introduced by [Pruitt and White J. Portfolio Managt. Spring, 1988, 55–58] on global equity indices and common stocks in Hong Kong. Out study shows that no excess returns could be found in indices except those in Asia. This validates the claims that the Asian stock markets are not as efficient as other stock markets and hence can be exploited by technical analysis. How does CRISMA perform on common stocks in Hong Kong? Generally speaking, CRISMA does not fair better than the buy and hold strategy. Further analysis reveals excess returns for stocks with very large turnover. This is consistent with other recent research on CRISMA conducted on US and UK stock markets. We also amend part of the original CRISMA rules to yield better performance: shrinking the moving average window sizes can increase both the number of trade signals and the excess returns. Therefore CRISMA can be made to work with some judicious choice of parameters, depending on the turnover.     

The Old-Boy Network and the Young-Gun Effect

A model of an exclusive group or class whose membership is governed by personal contact and interaction is studied. Members of this old-boy network attempt to shield themselves from transacting with opportunistic or incompetent individuals by dealing only infrequently with unproven nonmembers. This injures the unproven but qualified agents not in the network. Moreover, because recruitment of a new member creates a public good for network members, too little recruiting is performed in equilibrium.     

Making decisions affecting oneself versus others: The effect of interpersonal closeness and Dark Triad traits

Actions that financially benefit one person may present risk to another person. For example, the payment incentives of portfolio managers and investors are often asymmetrical such that actions that benefit a portfolio manager can pose financial risk to clients. Despite the presence and potential harm of these asymmetries, few have addressed the question of who exploits these asymmetries and how to mitigate potential harm. Our study examined the effect of selfish personality traits (the Dark Triad) and interpersonal bonding on decision-making for the self, another person, and another person with under reward asymmetry present. Results demonstrated that individuals higher in narcissism and psychopathy made risky decisions for themselves. However, when reward asymmetries were present, all three Dark Triad traits were associated with making riskier decisions for another person in order to benefit the self. There was also a significant interaction between interpersonal closeness generated through bonding and psychopathy such that bonding made the decision-making processes of those high in psychopathy less risky for others. These findings have implications for how different individuals with different relationships make self and other-based financial decisions, and how those decisions change when rewards are asymmetrical.     

Timing of apology after service failure: the moderating role of future interaction expectation on customer satisfaction

Marketing Letters - When there is a service failure, it is often believed that employees should immediately apologize to customers before hearing their complaints. However, we argue that in certain...     

Are multiple labels on food products beneficial or simply ignored?

This study examines consumer preferences and willingness to pay (WTP) for organic wheat products exhibiting single labels, as well as multiple labels, including organic. The additional labels considered are related to the organic label (non-genetically modified organism [non-GMO]) or perceived as health-promoting (gluten-free, low-carb, sugar-free). Study data were collected using a consumer survey conducted online in 2017 across 16 U.S. western states and analyzed using random parameter logit models. Findings show that organic-labeled wheat products with additional claims were valued equally or less than the organic only version. Overall, consumer higher objective and subjective knowledge of organic standards, as well as preferences for gluten-free products, increased their WTP for organic wheat products. Consumers unfamiliar with organic standards valued the non-GMO label over the organic label. Additionally, consumer WTP for health-related claims on hedonistic products was low or even negative. Hence, multiple labels on organic products generally provide no additional consumer benefit and are likely ignored. Study findings suggest that using the claim that most distinguishes the product, or is most salient, may improve product pricing. Also, non-GMO certification rather than organic certification should be considered for some markets. Finally, consumers with preferences for gluten-free products represent a potential market for organic wheat products.