Applied Economics Perspectives and Policy just published a paper I co-authored with Brenna Ellison entitled "Examining Household Food Waste Decisions: A Vignette Approach." Here is a summary of the paper:
In particular, each subject saw a description like the following (where they saw one of the values in each of the brackets):
I suspect you won't be too surprised to hear that "smell" had a significant effect on consumers' decisions to waste or not waste. Apparently food safety considerations are one key driver of household food waste decisions.
We also had another vignette surrounding the decision of whether to keep a leftover meal. The findings?