This paper analyzes the variance in accounting profitability within the European food industry. Based on a large panel data set, the variance in return on assets (ROA) is decomposed into year, country, industry, and firm effects. Further on, we include all possible interactions between year,...

This paper analyzes the variance in accounting profitability within the European food industry. Based on a large panel data set, the variance in return on assets (ROA) is decomposed into year, country, industry, and firm effects. Further on, we include all possible interactions between year,...

This paper decomposes the variance in food industry return-on-assets into year, country, industry, and firm effects. Besides these main effects, we include several interactions and discuss their theoretical foundations. After determining effect significance in a nested ANOVA with a rotating...