Bedri Kamil Onur Taş
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View article: How you describe procurement calls matters: Predicting outcome of public procurement using call descriptions
How you describe procurement calls matters: Predicting outcome of public procurement using call descriptions Open
A competitive and cost-effective public procurement (PP) process is essential for the effective use of public resources. In this work, we explore whether descriptions of procurement calls can be used to predict their outcomes. In particula…
View article: Detecting authorities that manipulate public procurement
Detecting authorities that manipulate public procurement Open
Manipulative authorities can bunch tenders just below thresholds to implement noncompetitive procurement practices in public procurement. Here, I use regression discontinuity manipulation tests to identify this bunching manipulation scheme…
View article: Procurement policy and SME participation in public purchasing
Procurement policy and SME participation in public purchasing Open
This study investigates the relationship between regulatory policies governing public procurement and participation by small and medium enterprises (SMEs), using a large dataset on European procurement. We find that better quality procurem…
View article: SME Participation in Public Purchasing: Procurement Policy Matters
SME Participation in Public Purchasing: Procurement Policy Matters Open
This paper investigates the relationship between regulatory policies governing public procurement and participation by small and medium enterprises (SMEs), using a large dataset on European procurement. We find that countries with better q…
View article: Collusion Detection in Public Procurement with Limited Information
Collusion Detection in Public Procurement with Limited Information Open
Public procurement data sets usually lack detailed data that are needed to implement existing methods. We design a method to identify and test for bid rigging in procurement auctions with limited information. The method can be applied to l…
View article: Has the forecasting performance of the Federal Reserve’s Greenbooks changed over time?
Has the forecasting performance of the Federal Reserve’s Greenbooks changed over time? Open
We investigate how the forecasting performance of the Federal Reserve Greenbooks has changed relative to commercial forecasters between 1974 and 2009. To this end, we analyze time-variation in the Greenbook coefficients in forecast encompa…
View article: Gulf Cooperation Council Stock Returns and the Effect of Domestic Monetary Policy Shocks
Gulf Cooperation Council Stock Returns and the Effect of Domestic Monetary Policy Shocks Open
The aim of this paper is to analyze the effect of monetary policy on stock returns and stock return variability in the Gulf Cooperation Council (GCC) countries namely; Bahrain, Kuwait, Oman, Qatar and Saudi Arabia (United Arab Emirates was…