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1 – 5 of 5David R. Just and Jeffrey M. Swigert
Little work has directly addressed the potential to control food waste. This chapter focuses on behavioral nudges and their potential to reduce food waste and, in turn…
Abstract
Purpose
Little work has directly addressed the potential to control food waste. This chapter focuses on behavioral nudges and their potential to reduce food waste and, in turn, implications for food security.
Methodology/approach
Key methodological and definitional challenges that must be met to make effective use of interventions to reduce food waste are examined. Chief among these challenges are determining welfare measures that are robust to the behavioral anomalies and apparently inconsistent preferences observed under behavioral interventions.
Findings
Targeted reductions in food waste can be significantly impacted by simple behavioral interventions either in institutional settings or within the home. Some evidence suggests that food waste is rampant not only in developed countries, but also among developing countries.
Practical implications
Our findings highlight the need to create a research program addressing the behavioral causes of food waste both in developed and developing country contexts.
Details
Keywords
Aamir Hamid, Masood Khan and Metib Alghamdi
The purpose of this paper is to analyze a mathematical model for the time-dependent flow of non-Newtonian Williamson liquid because of a stretching surface. The mathematical…
Abstract
Purpose
The purpose of this paper is to analyze a mathematical model for the time-dependent flow of non-Newtonian Williamson liquid because of a stretching surface. The mathematical formulation of the current model is accomplished from the momentum, energy and concentration balances by assuming a laminar, two-dimensional and incompressible flow subjected to a variable magnetic field. The study further aimed at discovering the possible effects of temperature-dependent thermal conductivity on the heat transfer characteristics.
Design/methodology/approach
In addition, a first-order chemical reaction is considered between the fluid and chemically reacting species. The governing transport model for Williamson fluid has been altered to ordinary differential equations via appropriate dimensionless parameters. These basic non-dimensional partially coupled differential equations of fluid motion are solved by an efficient Runge–Kutta–Fehlberg integration scheme along with the Nachtsheim–Swigert shooting technique.
Findings
It is found that the velocity slip parameter has a reducing impact on the skin friction coefficient. Moreover, we noticed that the Hartmann number and variable thermal conductivity parameters show prominent impacts on the velocity and temperature fields. It is also perceived that the fluid temperature shows an increasing trend with uplifting values of variable thermal conductivity.
Originality/value
No such work is yet published in the literature.
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The constructionist framework for analyzing social problems rests upon the concept of “claimsmakers” who engage in definitional activities. Published researches often approach…
Abstract
The constructionist framework for analyzing social problems rests upon the concept of “claimsmakers” who engage in definitional activities. Published researches often approach claimsmakers as agents who speak social problems into existence by naming and typifying putative conditions. This established usage fails to consider several important issues. First, claimsmakers are not merely detached interpreters but are themselves implicated in conditions. Claimsmakers, moreover, are not only speakers who deliver social-problem monologues but are also audiences that engage in dialogue with other claimsmakers. Furthermore, claimsmakers are not only the authors of social problems discourse, but are also its objects in two senses. First, they appear as positive or negative typifications in their own discourse and that of others. Second, claimsmakers sometimes emerge as special symbols that are subsequently available as resources for future social-problems discourse. These considerations indicate that the constructionist framework and empirical researches may be improved through recognition of the dialectic of claimsmakers as both speakers and audiences, both agents and objects – indeed as functioning simultaneously in all these capacities. Ultimately, claimsmakers’ influence may result from having been transformed into generalizable symbols. Their agency, paradoxically, may succeed because of their objectification.