Issue ownership and the priorities of party elites in the United States, 2004–2016.

Parties in government prioritize issues that voters trust them to handle more than other parties. However, scholars disagree about whether this relationship exists because parties strategically prioritize issues that voters trust them to handle or whether voters first observe core party priorities while in government and then trust them to handle those issues. This article disentangles these two explanations, arguing that issue ownership is caused by the core priorities of elites. I evaluate this argument by leveraging the privately financed structure of US party-aligned think tanks, which provide important policy information to US political parties. I introduce new data on the policy content of 15,897 white papers published by the leading party-aligned think tanks in the United States. I find that think tanks aligned with both parties tend to distribute more policy attention to their owned issues, although the process works differently for Republicans and Democrats, and that these patterns are durable. I conclude that these results are strong evidence to support elite prioritization explanations for issue ownership, although they do not rule out other explanations. [ABSTRACT FROM AUTHOR]