> Those juggling more than one occupation earned less, on average, than people who had only one job. I would like to see a more detailed breakdown on why that

> Those juggling more than one occupation earned less, on average, than people who had only one job. I would like to see a more detailed breakdown on why that is. I thought that perhaps there would be more information in the source paper, but these journalists at Reuters have shared neither the title nor the names of the authors with us. I haven't found anything similar to what's being reported on either the U.S. Commerce Dept. or the U.S. Census webpages. Where is the source paper?