Does the internet increase competition? To address this question, I exploit two institutional details unique to Germany: (1) Some municipalities received glass fibre cables that cannot be upgraded to DSL; I use these municipalities as a treatment group with reduced online competition. (2) German...

In this paper, we estimate pass-through rates of import price changes to retail prices across retailers and consumers for apparel purchases in Germany for the period of 2000 to 2007. We find that high-price retailers do not pass through changes in the import price. Pass-through rates for...

We analyze the pass-through of cost changes to retail tariffs in the German electricity market over the 2007 to 2014 period. We find an average pass-through rate of around 60%, which significantly varies with demand factors: while the pass-through rate to baseline tariffs, where firms have...