Exploiting NASDAQ order book data and difference-in-differences methodology, we identify the distinct effects of trading pause mechanisms introduced on U.S. stock exchanges after May 2010. We show that the mere existence of such a regulation constitutes a safeguard which makes market...

Utilizing subsets of trades in which dealers act purely as agents, purely as market-makers, and as both, we decompose dealer spreads in U.S. corporate bond OTC markets into components arising from: 1) dealers' marketmaking role, and 2) their role as agents for their non-dealer customers. We find...

Since the launch of Bitcoin in 2009, the spectacular rise and fall of cryptocurrencies and the underlying blockchain technology have attracted global attention. While the application of distributed ledger technology presents great economic and business potential, significant volatility and...

Recent regulation mandating the clearing of credit default swaps (CDS) by a Central Clearing Counterparties (CCP), has rendered the latter a systemically important institution, whose failure poses a serious threat to global financial stability. This work investigates the potential failure of a...

On October 26, 2008, Porsche announced a largely unexpected domination plan for Volkswagen. The resulting short squeeze in Volkswagen's stock briefly made it the most valuable listed company in the world. We argue that this was a manipulation designed to save Porsche from insolvency and the...

Regulators, exchanges, and politicians are considering reining in maker-taker pricing, which is used as a competitive tool by trading venues to acquire order flow. Examining the 2013 reduction in trading fees operated by BATS on its European venues, we document significant effects on market...

This note discusses the case for exempting foreign exchange derivatives from recent regulatory requirements for over-the-counter derivatives, including clearing, trade competition, and minimum collateral requirements. My conclusion is that the arguments that have been made for such an exemption...

We provide robust evidence of deviations from the covered interest rate parity (CIP) relation since the onset of the financial crisis in August 2007. The CIP deviations exist with respect to several different dollar-denominated interest rates and exchange rate pairings of the dollar vis-à-vis...

Regulatory and media concern has focused heavily on the potentially manipulative distortion of market prices associated with naked short selling. However, naked shorting can also have beneficial effects for liquidity and pricing efficiency. We empirically investigate the impact of naked...

A lot happened even before the perceived beginning of this crisis in 2007, so although the events are recent, I will review the period from 2001 to date, as part of our inquiry into the lessons to be learned. Much of it is probably familiar, but worth revisiting. This necessarily simplified...