世界银行：海底电缆对互联网接入价格的影响以及竞争和监管的作用（英文版）

Submarine cables enable international connectivity and are essential for high-speed internet access. This paper tests their potential to improve the affordability of internet access by supporting a price drop through cost savings or increased competition intensity. The empirical framework relies on a dataset that combines the capacity of submarine cables with price data on fixed and mobile internet across 150 countries over a decade. Using a two-way fixed effects estimator, the analysis finds