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The global food waste and food scarcity paradox is steadfastly increasing. This study aims to examine the effects of digital nudging as forms of positive and negative reinforcement to change food waste behavior and found that nudging positive reinforcement modifies this habit.

A field experiment was conducted on 628 diners randomly split into experiment (n = 412) and control group (n = 216) in two separate dining locations over four weeks. Out of these, 412 diners were randomly subjected to tent cards with positive (n = 228) and negative (n = 184) reinforcement nudging and completed a questionnaire to ascertain if nudging affects their consumption behavior. Consumption waste per unit revenue was calculated from all 628 diners individually to analyze the financial impact between control and experiment groups.

SEM analysis reveals that positive reinforcement mediates between external motivators (social media and restaurant service) and reduction of food waste behavior. Further analysis also reveals that nudging has a higher three times effect on reducing food waste as compared with no nudging (control).

Positive messaging encourages behavior change more effectively as compared to negative ones. Gentle reminders of how everyone can personally be a “warrior” or “hero” in the fight against global food waste increases the likelihood of altruistic motivation in tackling these issues.

This study demonstrates how positive reinforcement in the form of nudges acts as key mediator to support reduction of consumer food waste on site, ultimately helping to reduce financial costs compared to those without nudges.

Studies show that supervisor incivility can have detrimental consequences for subordinates. However, little is known about the job and personal resources that can reduce the effect of supervisor incivility on subordinates' counterproductive work behavior (CWB). Based on the Job Demand-Resources (JD-R) model, we investigate social job crafting (job resource) and internal locus of control (LOC; personal resource) as buffers on the relationship between supervisor incivility and subordinates' CWB toward the organization.

Two field studies to test our proposed hypotheses were conducted. A two-wave time-lagged design was used and data was collected from 115 supervisors and 318 subordinates from a large electricity provider company (study 1) and 121 employee–coworker dyads from a large insurance company (study 2).

Across the two studies it was found that supervisor incivility positively relates to subordinates' CWB toward the organization. Further, this relationship was weaker for individuals with high internal LOC and those who engaged in social job crafting.

The findings are helpful for HR managers to figure out how to stop supervisor incivility through civility training and motivating employees to social job crafting behavior.

This study implies that social job crafting (job resource) and internal LOC (personal resource) are essential factors that can reduce the effects of supervisor incivility on subordinates' CWB toward the organization.