At the onset of the coronavirus pandemic, sales of nonperishable food drastically increased in Germany. Reports of hoarding and panic buying flooded the media. To identify the drivers of the increased sales of these products, we carried out an online survey with n = 495 people living in Germany. We followed a concurrent triangulation design. For the quantitative analysis, we extended the theory of planned behavior to identify possible reasons for stockpiling nonperishable food. The results suggest that "attitude," "subjective norm," and the "fear of future unavailability" were main drivers of stockpiling behavior in our sample. Additionally, we analyzed answers to open questions capturing participants' own explanations of why they did or did not stockpile nonperishable food. By contrasting the results, we found that our qualitative results validate some of our quantitative findings but also deliver new insights. For instance, a key stated reason for stockpiling nonperishable food was to reduce shopping frequency.
Keywords: Concurrent triangulation design; Hoarding; Neuroticism; Perceived scarcity; Personality traits.
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