Practitioners' Corner

The first 150 words of the full text of this article appear below. The article by Christian Gourieroux and Razvan Sufana providesa complete characterization of two-factor affine diffusion termstructure models. The presentation of the article may seem forbiddingto the practitioner audience, so it is perhaps useful that thisinstallment of the column provide some context for the resultsof this article. Prominent among affine diffusion models in the term structureliterature are the Gaussian and square-root diffusion modelsof Vacisek (1977) and Cox, Ingersoll, and Ross (1985). The seminalcontribution of Duffie and Kan (1996) had been to provide anecessary and sufficient condition on the stochastic model toobtain the desirable property of "affine yields," whereby theyield of any zero-coupon bond is seen as a maturity-dependentaffine combination of a selected "basis" set of yields. SubsequentlyDuffie, Pan, and Singleton (2000) proved that the aforementionedcharacterization is even more general, both for the stochasticmodel that may . . . [Full Text of this Article]     

The rising disparity in the price of healthful foods: 2004–2008

Nutrient-dense foods that are associated with better health outcomes tend to cost more per kilocalorie (kcal) than do refined grains, sweets and fats. The price disparity between healthful and less healthful foods appears to be growing.This study demonstrates a new method for linking longitudinal retail price data with objective, nutrient-based ratings of the nutritional quality of foods and beverages. Retail prices for 378 foods and beverages were obtained from major supermarket chains in the Seattle, WA for 2004–2008. Nutritional quality was based on energy density (kcal/g) and two measures of nutrient density, calculated using the Naturally Nutrient Rich (NNR) score and the Nutrient Rich Foods index (NRF_9.3). Food prices were expressed as $/100 g edible portion and as $/1000 kcal. Foods were stratified by quintiles of energy and nutrient density for analyses.Both measures of nutrient density were negatively associated with energy density and positively associated with cost per 1000 kcal. The mean cost of foods in the top quintile of nutrient density was $27.20/1000 kcal and the 4-year price increase was 29.2%. Foods in the bottom quintile cost a mean of $3.32/1000 kcal and the 4-year price increase was 16.1%.There is a growing price disparity between nutrient-dense foods and less nutritious options. Cost may pose a barrier to the adoption of healthier diets and so limit the impact of dietary guidance. Nutrient profiling methods provide objective criteria for tracking retail prices of foods in relation to their nutritional quality and for guiding food and nutrition policy.     

Motivating Employees with Goal-Based Prosocial Rewards*

A recent trend in organizations is to motivate employees with goal-based prosocial rewards, whereby employees must donate their rewards to charities upon goal attainment. We examine the motivational effects of goal-based prosocial rewards versus cash rewards under different levels of goal difficulty. We develop our hypotheses based on affective valuation theory, which posits that when valuing uncertain outcomes by affect rather than calculation, individuals are largely insensitive to changes in probability of the outcomes, including probability of goal attainment. Experiment results support our hypotheses. Specifically, we find that employees who are rewarded with prosocial (vs. cash) goal-based rewards are more likely to adopt an affective valuation approach. Consequently, when employees are assigned either an easy goal or a stretch goal, their effort is higher when incentivized with a goal-based prosocial reward than a cash reward. Furthermore, there is a less curve-linear relationship between goal difficulty and effort with prosocial (vs. cash) goal-based rewards. These findings highlight for incentive system designers the motivational advantage of goal-based prosocial rewards relative to traditional cash rewards. Furthermore, we extend the academic literature by showing how affect-rich rewards such as prosocial rewards can influence employees' assessment of the probability of goal attainment.     

Political ideology and CEO performance under crisis

Review of Quantitative Finance and Accounting - Management quality is known to influence depository institution performance, but less understood are the characteristics of managers that influence...     

From laboratory to clinic: science commercialization within university-centered entrepreneurial ecosystems

The commercialization of scientific discoveries within the university-industry nexus is multifaceted and complex, characterized by dynamic interactions between multiple agents, organizations, and institutions. These interactions support a university-centered entrepreneurial ecosystem (UCEE). Our study investigates agent-institution dynamics within the UCEE to explore how individual agents seek to commercialize their scientific discoveries. Specifically, relying on 47 narrative interviews, we explore how UCEE agents across three UCEEs in the United States, United Kingdom, and Russia respond and adapt to institutional commercialization mandates during commercialization of their stem cell-based regenerative medicine discoveries. Our findings emphasize the bi-directional relationship between individual agents and institutions within a UCEE, facilitating a much-needed multi-level perspective on academic entrepreneurship research. We extend recent frameworks that propose how the formative stages of the entrepreneurial process – opportunity evolution – influences ecosystem emergence. Specifically, by investigating the latter stages of the entrepreneurial process – how (science-based) opportunities are commercialized within UCEEs – we reveal distinct behavioral responses to science commercialization mandates, which underscore how UCEEs evolve. Furthermore, by explicating the importance of UCEE agent behavior during science commercialization, our study shines an important spotlight onto the microfoundations of science commercialization and UCEEs. Our research imparts important policy implications for institutions tasked with commercializing scientific discoveries and policy makers challenged with developing high growth, sustainable UCEEs.