efficiency, taking into account the regulatory changes that have affected the European airline industry. We construct and …

We study the effect of entry on costs and competition in the Portuguese mobile telephony industry. We construct and … effort. We show that failure to account for cost reducing effort leads to biased estimates of competition in the industry. We … significant cost reductions, and fostered competition. …

local network externalities, in contrast to global network externalities, don't necessarily sharpen competition. Then we …

potential to increase the intensity of competition as well as to act as a channel for technology transfers. One would expect …) enjoy higher levels of efficiency and have the potential to generate positive spillovers. At the same time, the entry of …

those with direct negotiations. Taken together, these results indicate a significant efficiency enhancing effect of auctions. …

efficiency, and (iii) high competition is less conductive to efficiency than moderate or low competition. In terms of ownership …Using a stochastic frontier model and a comprehensive dataset, we study factors that affect corporate efficiency in …, we find that (iv) efficiency increases when a majority owner must deal with minority shareholders and that (v) domestic …

all their candidates) only wage mechanisms that allow for ex post Bertrand competition generate the maximum matching on a …

shows that taxpayers are the main losers as subsidies are still needed. There are also serious efficiency-equity trade …