CC refers to food that is purchased and consumed in group contexts. This includes buying food for parties, baby showers, weddings, etc. Individuals are more likely to buy excess food when buying for others in order to seem generous. 

Arizona State University

Waste that is generated from individuals and households. When examining data in first world countries, majority of food waste comes from the private sector. In third world countries, majority of food waste is generated prior to consumption. 
- 90% of food waste in Africa occurs pre-consumption 
- 50% of food waste in Europe comes from households 

Private Sector 


  Parker, J., Umashankar, N., & Schleicher, M. (2019). How and Why the Collaborative Consumption of Food Leads to Overpurchasing, Overconsumption, and Waste. Journal of Public Policy & Marketing, 38(2), 154–171. https://doi.org/10.1177/0743915618823783


Why the Collaborative Consumption of Food Leads to Waste 

The USDA refers to food insecurity as the lack of access to food that is sufficient and provides a healthy lifestyle (distinct from hunger) 

Food Insecurity 

A huge gap of food insecurity exists between first and third world nations. In first world nations, individuals are more likely to throw away at the consumption stage due to large portion sizes and over purchasing. The gap in food insecurity also might influence the decision of wasting food for many people. 

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