In "The agreement theta generalization," Maria Polinsky and Omer Preminger defend the new generalization that something which assigns a DP a thematic-role is never in a higher clause than a head which agrees with it.
Fresh in Glossa, "The agreement theta generalization" from Maria Polinsky and Omer Preminger. The paper defends the generalization that something which assigns a DP a thematic-role is never in a higher clause than a head which agrees with it, and discusses how to capture this fact syntactically.