Ambitious environmental policies are necessary to enable the transition to a greener economy. However, these policies could impose economic burdens on firms through different channels. They may increase barriers to entry and distort competition. They may also impose transaction and...

This paper considers the growth of dark pools: trading venues for equities without pre-trade transparency. It first documents the emergence and expansion of dark pools in European equity markets in the context of regulatory changes and increased high-frequency trading (HFT). It finds that the...