provide higher quality services to all consumers. The externality renders the market outcome inefficient. Price regulation … partially overcomes this inefficiency and Pareto-improves upon the market outcome. If market entry of experts is endogenous …, price regulation should be accompanied by licensing arrangements that cap the number of experts in the market. Our theory …

Competition policy attempts to address the potential for market failure by encouraging competition in service markets …. Often, in wireless communication service markets, national regulatory authorities seek to encourage entry via the spectrum … entry. The econometric results show that the probability of entry is enhanced by using auction assignments and excess …

environmental regulation. However, firms may be able to reduce the emissions costs in their home country by investing into low …

of assignment encourages entry. The study finds that auction assignment processes only slightly increase the probability … of entry, whilst price and quantity concessions have no impact. …