-post and ex-ante types), of cancellation fees and of transaction taxes on asset price volatility and on the occurrence and … volatility and the frequency of flash crashes. However, these policies also imply a longer duration of flash crashes. Furthermore …, the introduction of an ex-ante circuit breaker markedly reduces price volatility and removes flash crashes. In contrast …

various market outcomes (the price level, volatility, trading activity, market liquidity, and the degree of speculative …

liquidity and volatility. We extend the empirical research by the identification of FTT announcement and short-run treatment … effects, which may distort difference-in-differences estimates. In addition, we account not only for the intraday volatility … but also for long-term volatility measures. While we find strong evidence for a positive FTT announcement effect on …

This paper suggests how to quantify asymmetries in volatility spillovers that emerge due to bad and good volatility … stocks at the disaggregate level. Moreover, the spillovers of bad and good volatility are transmitted at different magnitudes …

Asymmetries in volatility spillovers are highly relevant to risk valuation and portfolio diversification strategies in … volatility may spill over at different magnitudes. This paper fills this gap with two contributions. One, we suggest how to … quantify asymmetries in volatility spillovers due to bad and good volatility. Two, using high frequency data covering most …

Cryptocurrencies are often thought to operate out of the reach of national regulation, but in fact their valuations …