This paper investigates competitiveness in the Ukrainian stock market during local crisis of 2013–2015. The following hypothesis is tested: crisis decreases competitiveness in the stock market. The analysis is carried out for the most liquid stocks in the Ukrainian Exchange (UX) over the...

We study empirically how competition among high-frequency traders (HFTs) affects their trading behavior and market quality. Our analysis exploits a unique dataset, which allows us to compare environments with and without high-frequency competition, and contains an exogenous event - a tick size...

Dynamic pricing is often complicated by strategic customer behavior. One tactic utilized by retailers to counter strategic customer behavior is to adjust prices in an unpredictable manner. This phenomenon has been studied in the Markovian pricing literature in single-retailer settings. In this...