
Consumption is an Activity that you cannot have others do for you, as opposed to Production (work). This fundamental distinction rests on Margaret Reid's third party criterion, which provides a practical test for categorising human activities: if you could reasonably contract or commit another person to perform an activity on your behalf, it qualifies as production; if the activity must be performed by you personally to deliver its value, it qualifies as consumption.
Examples of consumption activities include physical exercise, enjoying art, eating, sleeping, and attending social and religious events. These activities are inherently personal and cannot be delegated whilst retaining their value or purpose. You cannot, for instance, have someone else exercise on your behalf and expect to gain the fitness benefits, nor can you delegate the enjoyment of a meal or the experience of attending a social gathering.

As Chief Operating Officer, Iris leads our organisational development and oversees day-to-day operations. Before joining 2-0, she worked in the biotechnology sector. As an LCA consultant, Iris has devoted her expertise primarily to the domains of sustainable agriculture and food production. She is dedicated to teaching LCA and is responsible for our educational efforts. Iris holds an M.Sc. in Biology – Biotechnology from the University of Copenhagen.
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