What variables to include in fixed effect model (Panel data)
问题 This question was migrated from Stack Overflow because it can be answered on Cross Validated. Migrated 4 days ago . I am doing a fixed effect model to research on support’s effect on reducing number of injured employees. I have a dataset on company level from 2012-2020: year average age total salary total number of employees Segment Industry Risk Index support total number of Injured employees company A ID 2012 45 5 Million 55 S IT 1 0 1 company B ID 2012 48 40M 500 B Service 3 0 20 Data