In order to make economically efficient decisions about water quality improvements, data on both the costs and benefits of these improvements is needed. However, there has been little research on the benefits of reducing phosphorus pollution which implies that policy decisions are not able to make the comparison of costs and benefits that is essential for economic efficiency. This research attempts to ameliorate this situation by providing an estimate of the benefits of a 40 percent reduction in phosphorus pollution in the Minnesota River. A 1997 mail survey gathered information on Minnesota residents'use of a recreational site on the Minnesota River, the Minnesota Valley National Wildlife Refuge, and their willingness to pay for phosphorus reductions in the Minnesota River. The random effects probit model used in this research to investigate household willingness to pay for phosphorus pollution reductions in the Minnesota River incorporates recent innovations in nonmarket valuation methodology by using both revealed and stated preference data. This model estimated annual household willingness to pay for phosphorus reductions in the Minnesota River at $140. These results may be used in combination with cost estimates to determine the economic efficiency of phosphorus clean up.
Purpose
Recent research along with anecdotal evidence suggests that exercise may play a role in mitigating perceptions of work-family conflict (WFC). However, the temporal effects related to this relationship have been ignored. The purpose of this paper is to address this issue by testing for the effects of acute and long-term exercise on the work-family interface.
Design/methodology/approach
Employed females (N=46) were randomly assigned to a treatment (exercise) or control group (no exercise) and data were gathered at three points in time, over four weeks. Linear Mixed Model processes were conducted.
Findings
The authors found that there is a statistically significant long-term exercise effect on strain-based work interference with family and family interference with work.
Research limitations/implications
The sample was restricted to sedentary females, was predominantly white/Caucasian, and held white-collar jobs, limiting the generalizability of the findings.
Practical implications
Results from the current study suggest that exercise assists individuals in managing the work-family interface. While this is not a broad-sweeping call for all employers to offer on-site exercise facilities, the authors suggest that employers consider offering accommodations to individuals seeking to utilize exercise as a way to reduce WFC and general stress.
Originality/value
This is the first empirical study that examines the temporal impact of exercise on the work-family interface.
In a cluster of courses called Food for Thought, seven faculty from different departments (including Biology, Economics, Sociology, Chemistry, Health and Wellness, and Foreign Language) teach students about food information, food consumerism, nutrition and health. The classes all have a shared learning outcome focused on developing the student as an informed consumer of food. Each semester, faculty teach a food-related course from their respective disciplinary perspective while also incorporating cross-course interactions that allow for both integration of disciplinary knowledge and student-to-student learning opportunities. Previous research demonstrated that this approach leads to student perceptions of learning gains (Authors, 2011). Building on that work, this research directly assesses student learning in the Food for Thought cluster. The results demonstrate that exposure to multiple disciplines covering a shared topic enhances learning through greater student ability to integrate diverse forms of knowledge and to see an issue from multiple perspectives. These findings demonstrate the value of multidisciplinary learning opportunities for students.
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