From a different article, that study has some odd data points:
> The study found some significant difference based on party membership and seniority, with the Democratic sample beating the market by nearly 9% annually, versus only about 2% annually for the Republican sample.
> And representatives with the least seniority considerably outperformed those with more seniority.
> The study found some significant difference based on party membership and seniority, with the Democratic sample beating the market by nearly 9% annually, versus only about 2% annually for the Republican sample.
> And representatives with the least seniority considerably outperformed those with more seniority.