Core equivalence for residential land use models

I demonstrate that in the monocentric city model, an allocation is in the core if and only if it is an equilibrium allocation, as long as households are endowed with strictly positive quantities of a composite consumption good, enjoy any net trade bundle at least as much as they enjoy one on the boundary of their choice set, have monotonic preferences, have preferences and endowments that are not too different, and as long as there is land at every location. I also show that equilibria exist in these circumstances, so the core is not empty.     

The Sniffing Effect: Olfactory Sensitivity and Olfactory Imagery in Advertising

The authors examine the influence of olfactory sensitivity on the effectiveness of olfactory imagery in advertising. Findings reveal that the use of olfactory imagery can negatively impact ratings for ads, the product advertised, and likelihood to buy, especially for individuals sensitive to smell. The authors demonstrate that the act of sniffing can reverse the negative effects of olfactory imagery in olfactory sensitive individuals. An event-related potential (ERP) study provides evidence of emotions triggered during sniffing and forming olfactory imagery, explaining the underlying mechanism behind the observed behavioral and perceptual effects. Results show that olfactory imagery has an impact on the evaluation of ads, with a possible negative impact for sensitive individuals. Furthermore, the article demonstrates that these effects can be reversed by introducing sniffing cues in the ad. Thus, the use of a multimethod approach, combining behavioral and neuroscience experiments, provides insight into the effectiveness of advertising strategies in consideration of individual differences in consumer olfactory sensitivity. This article provides support for advertisers to consider incorporating sniffing cues (to trigger positive scent-associated emotions) in the construction of scent-relevant ads to enhance positive ratings of ads.     

Making Sense of an Interconnected World: How Innovation Champions Drive Social Innovation in the Not-for-Profit Context

Social innovation is critical for supporting the economic and social fabric of communities globally. Yet little is known about the processes through which social innovation occurs and how context shapes them. To date, scholarship has focused primarily on social entrepreneurs and social enterprise creation, while the role of established not-for-profits (NFPs) as agents of social innovation has received surprisingly little attention given their importance to communities. It is expected that innovation will be increasingly important for NFPs as shifts in their funding models create greater complexity in maintaining sustainability and continuity in social service delivery. This research generates a deeper understanding of the processes of social innovation within NFPs by examining how multiple levels of context influence the behaviors of a key set of agents: innovation champions. Adopting an interactionist lens, the study explores how shifts in funding policy at the macro level, and the role of leaders (CEOs and Boards) and organizational institutional logics at the meso level, influence champion behavior at the micro level. To do this, we draw on sensemaking as an important cognitive and action-enabling mechanism. A qualitative, multicase study design with 46 interviews across six case organizations allows an in-depth exploration of this under-investigated area. The findings indicate that bricolage activity can facilitate championing that supports social innovation within NFPs and that organizational context guides the direction and content of champion behavior. The findings further uncover a broader range of behaviors and outcomes than have been previously attributed to champions, while highlighting the critical role that bricolage-enabled championing can play in driving social innovation that is both directly impactful and offers significant longer-term social impact. The important roles that sensebreaking, sensegiving, and sensemaking play in connecting champions’ interpretations of their contexts to their behaviors are also outlined.     

Mutual Fund Survivorship

This article provides a comprehensive study of survivorshipissues using the mutual fund data of Carhart (1997). We demonstratetheoretically that when survival depends on multiperiod performance,the survivorship bias in average performance typically increaseswith the sample length. This is empirically relevant becauseevidence suggests a multiyear survival rule for U.S. mutualfunds. In the data we find the annual bias increases from 0.07%for 1-year samples to 1% for samples longer than 15 years. Wefind that survivor conditioning weakens evidence of performancepersistence. Finally, we explain how survivor conditioning affectsthe relation between performance and fund characteristics.     

Cost-effectiveness of stent-retriever thrombectomy in combination with IV t-PA compared with IV t-PA alone for acute ischemic stroke in the UK

Objective: To evaluate the cost-effectiveness of neurothrombectomy with a stent retriever (Solitaire**Solitaire Revascularization Device is a registered trademark of Medtronic (Irvine, CA).View all notes Revascularization Device) in treating acute ischemic stroke patients from the UK healthcare provider perspective.

Methods: A Markov model was developed to simulate health outcomes and costs of two therapies over a lifetime time horizon: stent-retriever thrombectomy in combination with intravenous tissue-type plasminogen activator (IV t-PA), and IV t-PA alone. The model incorporated an acute phase (0–90 days) and a rest of life phase (90+ days). Health states were defined by the modified Rankin Scale score. During the rest of life phase, patients remained in the same health state until a recurrent stroke or death. Clinical effectiveness and safety data were taken from the SWIFT PRIME study. Resource use and health state utilities were informed by published data.

Results: Combined stent-retriever thrombectomy and IV t-PA led to improved quality-of-life and increased life expectancy compared to IV t-PA alone. The higher treatment costs associated with the use of stent-retriever thrombectomy were offset by long-term cost savings due to improved patient health status, leading to overall cost savings of £33 190 per patient and a net benefit of £79 402. Deterministic and probabilistic sensitivity analyses demonstrated that the results were robust to a wide range of parameter inputs.

Limitations: The acute and long-term costs resource use data were taken from a study based on a patient population that was older and may have had additional comorbidities than the SWIFT PRIME population, resulting in costs that may not be representative of the cohort within this model. In addition, the estimates may not reflect stroke care today as no current evidence is available; however, the cost estimates were deemed reasonable by clinical opinion.

Conclusions: Combined stent-retriever neurothrombectomy and IV t-PA is a cost-effective treatment for acute ischemic stroke compared with IV t-PA alone.     

Sexual orientation,work, and income in Canada

Abstract. We provide the first evidence on sexual orientation and economic outcomes in Canada using confidential data that ask adults a direct question about their sexual orientation. Gay men have 12% lower personal incomes and lesbians have 15% higher personal incomes than otherwise similar heterosexual men and women, respectively. Different labour force patterns can account for some of the income differentials. We also document large differences in educational attainment, childrearing, and urbanicity that generally mirror patterns found in the US. Finally, we show that applying couples‐based approaches common in this literature greatly overstates the magnitudes of gay/straight income gaps.     

U.S. male generational cohorts: Retail format preferences,desired retail attributes,satisfaction and loyalty

Reports in the academic and popular press acknowledge the growing importance of male shoppers from a retail perspective (Albright, 2010) yet to date most studies have only compared men to women or when examining fashion products (Shim and Kotsiopulos, 1991). No research has been done to segment males in order to provide retailers with a better understanding of male shopping behavior (Bakewell and Mitchell, 2003, Meredith et al., 2007). This exploratory study surveyed 560 U.S. males examining retail format preferences, desired retail attributes, satisfaction and loyalty using Generational Cohort Theory (GCT). Results suggest significant differences between male generational cohorts in terms of retail format preferences with males from the Silent Generation preferring the category killer format more than males in the Millennial Generation and both 13th Generation and Millennial Generation males preferring internet-only retailers than did Silent Generation Males. Silent Generation males were also found to be more satisfied with retailers in their area, when compared to the younger Baby Boomer and 13th Generation males. No significant differences were found in desired retail attributes or store loyalty. Additional research investigating U.S. and non-U.S. males using GCT is suggested.