 When taken in this perspective, rational choice theory has provided very little to the overall understanding of political interaction - and is an amount certainly disproportionately weak relative to its appearance in the literature.Yet, they concede that cutting edge research, by scholars well-versed in the general scholarship of their fields (such as work on the U.S. Congress by Keith Krehbiel, Gary Cox, and Mat McCubbins) has generated valuable scientific progress.Duncan K. Foley (2003, p. 1) has also provided an important criticism of the concept of "rationality" and its role in economics.