antecedents and performance outcomes of onshore offshore business process outsourcing jonathan whitaker jwwhitak umich edu information technology ross school university michigan 701 tappan street ann arbor mi 48109 phone 734 994 8494 sunil mithas smithas umd decision technologies rh smith 4324 van munching hall maryland college park md 20742 301 424 2283 sanjeev kumar sankum 222 5458 ms krishnan mskrish 763 6749 working paper as august 31 2006 acknowledgements we thank seminar participants at the 2005 international conference on systems best nomination informs for their feedback helpful comments previous versions this informationweek magazine providing data research financial support was provided in part by a stiet fellowship with funding from nsf igert grant no 0114368 stephen m