First comer advantages and network effects are frequently stated as among the most important determinants of market structures and this is particularly relevant for network economies including telecommunications markets. Connected to this, regulatory tools such as number portability have...

Turkey has experienced important institutional transformation during the last decades. In particular, it has started with liberal policies of early 1980s. Turkey has abandoned the import substitution policies after a serious balance of payment crisis. Foreign trade regime has been liberalized...

FMS (fixed-to-mobile substitution) has increasingly been echoed within the regulatory agenda of the global and domestic policy actors as the usage of mobile telephony has rapidly exceeded that of the fixed telephony in the last decade. In this line of thinking and upon the drastic changes in...