Access regulation and investment in next generation networks -- A ranking of regulatory regimes
This paper analyses how different types of access regulation to next generation networks affect investments and consumer welfare. The model consists of an investment stage with uncertain returns and subsequent quantity competition. The access price is a function of investment costs and the regulatory regime. A regime with fully distributed costs or a regulatory holiday induces highest investments, followed by risk-sharing and long run incremental costs regulation. Simulations indicate that risk-sharing creates most consumer welfare, followed by regimes with fully distributed costs, regulatory holiday and long run incremental costs, respectively. Risk-sharing benefits consumers as it combines relatively high ex-ante investment incentives with strong ex-post competitive intensity.
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