M.  Pagell and Krause, D., ?Determining when Multiple Respondents are needed in Supply Chain Research: The Case of Purchasing and Operations?, North American Research Symposium on Purchasing and Supply Management. Tempe, 2004.

M.  Pagell and Krause, D., ?Re-examining the Relationship between Operational Flexibility and Environmental Uncertainty?, Meeting of the Academy of Management. Seattle, 2003.

M.  Pagell and Krause, D., ?Re-Exploring the Relationship Between Flexibility and the External Environment?, Decision Sciences Institute Conference. San Francisco, 2001.