networks under various regimes of data roaming charge regulation. Given an induced externality of investments (spillovers) due … cost regulation of roaming charges. Otherwise, if MNOs are free to collaborate on investments, they set higher investment …. Furthermore, the paper discusses effects of the roaming charge regulation on roaming quality and MNOs' coverage. …

markets? (ii) Has the evolution of market dynamics in wholesale roaming improved competition? (iii) Is wholesale regulation … wholesale and retail levels, despite prices being well above costs and the significant margins allowed by regulation. Available … data from the period preceding the entry into force of the first EU roaming regulation also point to the same conclusion …

evaluate how bank regulation, supervision, institutions, and crisis intervention policies shape the effect of banking crises on … crisis. This weakening is higher in countries where bank regulation, supervision, and institutions promoted market discipline …

We use FDA’s seafood inspection records to examine: (i) how FDA has targeted its inspections under HACCP regulation …

We use a hazard model to estimate the effect of environmental regulation on the diffusion of membrane cell production … technology in the chlorine manufacturing industry. We estimate the effect of regulation on both the adoption of the membrane … technology at existing plants and on the exit of existing plants using older technologies. We find that environmental regulation …