While the long-ranged correlation of market orders and their impact on prices has been relatively well studied in the literature, the corresponding studies of limit orders and cancellations are scarce. We provide here an empirical study of the cross-correlation between all these different...

We conclude from an analysis of high resolution NYSE data that the distribution of the traded value fi (or volume) has a finite variance σi for the very large majority of stocks i, and the distribution itself is non-universal across stocks. The Hurst exponent of the same time series displays a...

The functioning of the EU's single market in government contracts crucially hinges upon compliance with and adequate use of EU-wide rules. However, evidence from a range of countries suggest that these rules are circumvented and manipulated tenders are used to pursue protectionist or...

The EU's single market in government purchases constitutes a fundamental pillar of economic integration throughout the continent, as it amounts to 4% of GDP. If competition is deficient efficiency losses ensue. As we know surprisingly little about the effectiveness of monitoring and enforcement...

This paper sets out to measure and analyze corruption risks, patterns of favoritism, and state capture in public procurement in Bulgaria. It draws on two main types of data: large-scale administrative data on public procurement and the list of politically exposed persons. The analysis rests on...