This paper attempts to provide an understanding of the widely-documented retirementconsumption puzzle from the perspective of food consumption. Exploiting urban China's "forced" retirement system, we use the legal retirement age cutoff as an instrumental variable for one's retirement status to estimate the causal impacts of retirement on four major aspects of food consumption for males aged 50-70 in urban China: food expenditure, time spent on food acquisition, the quantity and quality of food consumed. Our fuzzy regression-discontinuity analysis of the China Health and Nutrition Survey data finds that, consistent with the retirement-consumption puzzle, retirement reduces individuals' total food expenditure by 49%. However, retirement barely changes their quantity of food consumed (measure by total calorie intakes). Serving to reconcile the differential retirement impacts on elderly males' food expenditure and consumption, retirees are found to substitute their time for money in food acquisition upon retirement. However, they have to sacrifice some quality for quantity of food consumption while smoothing the latter. Given the criteria provided by the Chinese Nutrition Association, retirement negatively affects retirees' diet balance. They consume significantly less food with animal origins (and thus less fat and protein) and more grains (and thus more carbohydrate) upon retirement.

The COVID-19 pandemic has profoundly affected people’s daily lives, including their dietary behaviors. Using a panel data set of 31 provinces from 2015 to 2020, this study employed two-way fixed effects (FE) models to examine the impacts of the COVID-19 pandemic on dietary consumption among Chinese residents. The results showed that the COVID-19 pandemic positively affected residents’ consumption of grain, eggs, dairy, and white meat (poultry and aquatic products), while it had a negative effect on individuals’ red meat consumption in both urban and rural areas. These results were robust to different measures of the COVID-19 pandemic, including the number of confirmed cases, suspect cases, and dead cases. Comparatively, the changes in food consumption induced by the COVID-19 pandemic were more prominent for Chinese residents who lived in rural areas than urban areas. In addition, compared to their counterparts, the dietary consequences of the pandemic were more pronounced for residents living in the eastern region and regions with a high old-age dependency ratio and low illiteracy rate. Furthermore, the estimation results of the quantile regression model for panel data suggested that the COVID-19 pandemic had relatively larger impacts on the dietary consumption of Chinese residents at lower quantiles of food consumption compared with those at higher quantiles. Overall, the results of this study suggested that Chinese residents had a healthier diet after the outbreak of the COVID-19 pandemic. We discussed possible mechanisms, including health awareness, income, food supply and prices, and other behavioral changes during COVID-19 (e.g., physical activity and cooking). To further improve residents’ dietary behaviors and health, our study proposed relevant measures, such as increasing residents’ dietary knowledge, ensuring employment and income, and strengthening the food supply chain resilience during the pandemic.