We show that following a tick size reduction in a decimal public limit order book (PLB) market quality and welfare fall for illiquid but increase for liquid stocks. If a Sub-Penny Venue (SPV) starts competing with a penny-quoting PLB, market quality deteriorates for illiquid, low priced stocks,...

We investigate the impact of short selling and margin trading on measures of price efficiency, characteristics of stock returns distributions, and price clustering in the Chinese equity market. Short selling and margin trading was permitted on selected stocks from March 31, 2010 and was...

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...

We model the behavior of dealers in Over-the-Counter (OTC) derivatives markets where a small number of dealers trade with a continuum of heterogeneous clients (hedgers). Imperfect competition and (endogenous) default induce a familiar trade-off between competition and risk. Increasing the number...

Reforming regulation of the financial sector is currently among the most immediate concerns of domestic and international policymakers. Proposals for such reform are proliferating, and the official sector appears committed to adopting at least some meaningful reforms in the near-term. Broadly...

Based on the sensitivity of the European Financial Markets highlighted by the last financial crisis, the European Union is pushing for reforms of the existing regulatory framework and has also proposed a Financial Transaction Tax. Until now, the European Union has already adopted a Regulation on...

We summarize and evaluate Fannie Mae and Freddie Mac's credit risk transfer (CRT) programs, which have been used since 2013 to shift a portion of credit risk on more than $1.8 trillion of mortgages to private sector investors. We argue that the CRT programs have been successful in reducing the...

Consistent with the Minsky hypothesis and the 'volatility paradox' (Brunnermeier and Sannikov,2014), recent empirical evidence suggests that financial crises tend to follow prolonged periods of financial stability and investor optimism. But does financial tranquility always call for more...

The introduction of the Securities Financing Transactions Regulation into EU law provides a unique opportunity to obtain an in-depth understanding of repo markets. Based on the transaction-level data reported under the regulation, this paper presents an overview and key facts about the euro area...

This paper analyses the challenges for financial regulation posed by new financial technologies. It provides a conceptual framework incorporating both new financial products and services and new institutional arrangements including decentralised finance without intermediaries. Four possible...