Scholars have argued that constituent interests and political parties affect voting on trade policy legislation in the U.S. Congress. The existing empirical research on trade policy voting, however, has not utilized research designs that allow us to disentangle how constituents and parties...

Many theories of policy diffusion contend that the flow of information is the driving force in the diffusion process. Prior scholarship has identified at least two types of information: information about policy and information about political viability. Few empirical approaches have been able to...