Now showing items 1-17 of 17

    • Analysis of entrant and incumbent bidding in public procurement auctions 

      Taş, Bedri Kamil Onur (Mohr Siebeck GmbH and Co. KG, 2019)
      We empirically investigate differences in cost-effectiveness of public procurement auctions that are won by entrants and incumbents. We use a unique data set that covers all Turkish public procurement auctions for the years ...
    • Does Public E-Procurement Deliver What It Promises? Empirical Evidence from Turkey 

      Gurakar, Esra Ceviker; Taş, Bedri Kamil Onur (Routledge Journals, Taylor & Francis Ltd, 2016)
      This article empirically investigates the economic effects of public e-procurement (PEP) adoption. We use a unique data set provided by the Public Procurement Authority of Turkey that covers all government procurement ...
    • Does the Federal Reserve have Private Information about its Future Actions? 

      Taş, Bedri Kamil Onur (Blackwell Publishing Ltd, 2016-06)
      This paper contributes to the ongoing debate about the existence and source of asymmetric information between the Federal Reserve and the public by examining the federal funds rate forecasts. It compares the Federal Reserve ...
    • Does the WTO Government Procurement Agreement Deliver What It Promises? 

      Taş, Bedri Kamil Onur; Dawar, Kamala; Holmes, Peter; Togan, Sübıdey (Cambridge University Press, 2019)
      We examine the impact of the World Trade Organization (WTO) Government Procurement Agreement (GPA) on government procurement practices in the European Union (EU). We analyse empirically whether the WTO GPA is effective in ...
    • A dynamic network analysis of the world oil market: Analysis of OPEC and non-OPEC members 

      Al Rousan, Sahel; Sbia, Rashid; Taş, Bedri Kamil Onur (Elsevier B. V., 2018-09-01)
      We characterize the dynamic network structure of major oil producing countries. We examine the oil production coordination of 13 Organization of the Petroleum Exporting Countries (OPEC) and 17 non-OPEC members. We construct ...
    • Efectos de la dolarización oficial en una pequeña economía abierta: El caso de Ecuador 

      Taş, Bedri Kamil Onur; Togay, Selahattin (Univ Nacional Autonoma Mexico, Inst Geografia, 2014-12)
      El presente artículo investiga los efectos de la dolarización en el desempeño macroeconómico de una pequeña economía abierta, la de Ecuador, empleando para ello un análisis de series de tiempo. Específicamente, exploramos ...
    • Effect of Inflation Targeting on Inflation Uncertainty: A SWARCH Analysis 

      Taş, Bedri Kamil Onur; Ertuğrul, Hasan Murat (Wiley-Blackwell, 2013-12)
      We analyse the success of inflation targeting (IT) in decreasing inflation volatility by investigating inflation variance before and after IT. We contribute to the literature by implementing Markov?Switching AutoRegressive ...
    • Has the forecasting performance of the Federal Reserve's Greenbooks changed over time? 

      Ekşi, Ozan; Orman, Cuneyt; Taş, Bedri Kamil Onur (Walter De Gruyter Gmbh, 2017-06)
      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 ...
    • How Can Recessions Be Brought To An End? Effects Of Macroeconomic Policy Actions On Durations Of Recessions 

      Taş, Bedri Kamil Onur; Cunedioglu, Huseyin Ekrem (Univ Cema, 2014-05)
      This paper analyzes how effective macroeconomic policy actions are in ending recessions. We also investigate which structural factors help the country to experience shorter recessions. We implement survival regression ...
    • Inflation Target Credibility: Do the Financial Markets Find the Targets Believable? 

      Taş, Bedri Kamil Onur; Peker, Mustafa Cagri (Wiley, 2017-12)
      We investigate the credibility of inflation targeting (IT) central banks (CBs) by estimating perceived inflation targets of the financial markets. We calculate financial markets' beliefs about the inflation targets of 24 ...
    • International Monetary Policy Coordination through Communication: Chasing the Loch Ness Monster 

      Imisiker, Serkan; Taş, Bedri Kamil Onur (European Central Bank, 2019-06)
      We empirically examine international monetary policy coordination. We use the Global Economy Meetings (GEMs) at the Bank for International Settlements (BIS) to design a novel empirical identification strategy. We find that ...
    • Keep your Word: Time-varying Inflation Targets and Inflation Targeting Performance 

      Taş, Bedri Kamil Onur; Demir, Ishak (Wiley-Blackwell, 2014-03)
      This paper investigates the implicit inflation targets of inflation targeting (IT) central banks (CBs). The implicit (perceived) inflation targets of IT CBs derived from their actions (policy interest rates) are calculated ...
    • Optimal bidder participation in public procurement auctions 

      Onur, İlke; Taş, Bedri Kamil Onur (Springer Science+Business Media, LLC, part of Springer Nature, 2019-06)
      This paper empirically identifies the optimal number of bidders to achieve the lowest procurement prices in public procurement auctions. We examine a unique data set that covers all Turkish government procurement auctions ...
    • Price Manipulation by Intermediaries 

      Imisiker, Serkan; Ozcan, Rasim; Taş, Bedri Kamil Onur (Routledge Journals, Taylor & Francis Ltd, 2015-08)
      In this study, we investigate two main research questions using unique individual trade level data from the Istanbul Stock Exchange (ISE; renamed Borsa Istanbul in January 2013): (1) Do brokers conduct manipulative trades ...
    • Unconventional monetary policy and the stock market's reaction to Federal Reserve policy actions 

      Ekşi, Ozan; Taş, Bedri Kamil Onur (Elsevier Science Inc, 2017-04)
      We examine the change in the effect of Federal Reserve's policy actions on stock returns after the Fed started to use unconventional policy actions. We find that the response of stock returns to monetary policy actions are ...
    • Wash trades as a stock market manipulation tool 

      Imisiker, Serkan; Taş, Bedri Kamil Onur (Elsevier B. V., 2018-12-01)
      This study empirically investigates the profitability of one of the most widely used trade-based manipulation tools, namely wash trading. Using a unique account-level data set for the period 2003–2006 from the Istanbul ...
    • Which firms are more prone to stock market manipulation? 

      Taş, Bedri Kamil Onur; Imisiker, Serkan (Elsevier Science Bv, 2013-09)
      This study empirically investigates which firms are more susceptible to successful manipulation. For this purpose, a unique data set consisting of manipulation cases from 1998 to 2006 from the Istanbul Stock Exchange (ISE) ...