I examine a manipulation scheme that public authorities can use to exercise more discretion in public procurement. I propose that regression discontinuity manipulation tests can be implemented to identify manipulative authorities. I investigate the European Union public procurement data set. I...

Experimental research in psychology has found a strong negative association between traffic congestion and stress levels of commuters. Here, we investigate the consequences of morning traffic congestion on stock returns. Using traffic data and stock market returns from New York City and London,...

This paper empirically investigates the impact of public procurement regulation quality on competition and cost-effectiveness. I employ the World Bank's Benchmarking Public Procurement quality scores. Using extensive data about public procurement in the European Economic Area, Switzerland, and...

Governance of market intermediaries is an integral component of efficient equity markets especially in emerging economies. In this study, we investigate two main research questions using a unique individual trade level data from the Istanbul Stock Exchange (ISE): Do brokers conduct manipulative...

This study empirically investigates which firms are more susceptible to successful manipulation. For this purpose, a unique dataset consisting of manipulation cases from 1998-2006 from the Istanbul Stock Exchange (ISE) were collected and firm-specific variables are used to explain these...