摘要：The main aspects of spillover effects and IT market development are analyzed in the article. Spillover effects make an additional utility not only for customers, but also allow decreasing the costs of gathering information, controlling, and coordinating transactions, with variation being extremely significant among the goods in IT markets. The theoretical findings of spillover effects were proved by Lithuanian IT market research. The research results revealed that spillover effects are determined by some factors of the company transactional costs, connected with the search, production – technological operations, outgoing logistics, selection of intermediates, whose efficiency is mainly influenced by IT market development in Lithuania.
