100   ^a20120704d2012    k  y0porb0103    ba
101 0 ^aeng
102   ^aPT
200 1 ^aSwitching costs in the portuguese telecommunications sector^eresults from a customer survey^fAna Amante, João Vareda
330   ^aIntroduction. 1. A typology of mobility restrictive factors. 2. Impact of switching costs on competition. 3. Empirical evidence on switching costs. 4. Switching costs value and switching process. 4.1. Sample description. 4.2. Switching costs. 4.3. Switching process difficulties. 5. Conclusion and policy discussion.
461  1^tRevista de concorrência e regulação^cCoimbra^bAlmedina^d2010^x1647-5801^pp. 115-135^vA. 2, Nº 7 - 8 (Jul./Dez. 2012)
606   ^aTelecomunicações
700  1^aAmante,^bAna
701  1^aVareda,^bJoão^4070
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966   ^lCEJ^sPP.270^120120704