She has a longstanding interest in qualitative research methods, and at the moment her research lies in applying process approaches to the study of firm internationalization. Together with Rebecca Piekkari, she has edited two volumes on qualitative research published by Edward Elgar: Handbook of Qualitative Research Methods for International Business (2004) and Rethinking the Case Study in International Business and Management Research (2011). She has published on numerous aspects of doing qualitative research, including interviewing, writing up and the case study. She and her co-authors have published their work on the case study in Organizational Research Methods, Journal of International Business Studies and Industrial Marketing Management. She has taught PhD-level courses on the case study in five countries.