With the emergence of the Internet and the World Wide Web, economic conditions and business practices have been fundamentally reshaped. The Internet is believed to promote the rapid internationalization of companies, particularly small and medium enterprises (SME). The purpose of this quantitative study was to study the affect of Electronic commerce (EC) on perceptions of export barriers in Pakistan. Five categories of export barriers evaluated in this study included organizational barriers, operational barriers, psychological barriers, product and market barriers, and psychic distance barriers. One hundred twenty-five active exporters based in Pakistan completed a Likert-type questionnaire investigating barriers to export. The questionnaire was based on previously existing instruments and modified for the current study. Participants submitted responses both by postal mail and electronically. Findings indicated that perceptions of organizational, operational, psychological, and product and market barriers did not differ significantly based on whether the exporters used electronic commerce. However, perceptions of psychic distance barriers were significantly higher in companies with websites ("t" [123] = 2.36, "p" = 0.02, 95% CI = [08, 0.85] ). Psychic distance barriers included ignorance of the need to conduct research in foreign markets and difficulties with foreign representatives. Results showed that the pattern of perception of barriers to export depended upon the kinds of barriers. The study contributed to an improved understanding of the use of electronic commerce for exporting SMEs in Pakistan. It is recommended that leaders of governmental and semi-governmental organizations in Pakistan implement awareness programs to demonstrate the benefits of website ownership for both new and existing SMEs and to develop such SMEs as role models. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]