Research/Scholarly/Creative Works

Journal Articles

• Gilbert J., Koska OA. and Oladi R. (2022) International trade, differentiated goods, and strategic asymmetry. Southern Economic Journal 88(3): 1178-1198. http://dx.doi.org/10.1002/soej.12541.

• Gilbert J., Koska OA. and Oladi R. (2022) Labor-eliminating technology, wage inequality, and trade protectionism. Journal of Public Economic Theory http://dx.doi.org/10.1111/jpet.12573.

• Gilbert J., Koska OA. and Oladi R. (2022) The scope for strategic asymmetry under international rivalry. International Review of Economics and Finance 80: 464-468. http://dx.doi.org/10.1016/j.iref.2022.02.013.

• Koska OA. and Stähler F. (2021) It ain't over until it's over: English auctions with subsequent negotiations. International Review of Economics and Finance 72: 121-124. http://dx.doi.org/10.1016/j.iref.2020.11.010.

• Koska OA., Stähler F. and Yeni O. (2021) Trade and commodity taxes as environmental instruments in an open economy. Journal of Economic Studies 48(2): 333-353. http://dx.doi.org/10.1108/JES-08-2019-0362.

• Koska OA. (2020) Sourcing product quality for foreign market entry. Review of World Economics 156(3): 669-702. http://dx.doi.org/10.1007/s10290-020-00375-1.

• Cagatay S., Mert M., Koska O. and Artal-Tur A. (2019) Remittances impacts on schooling in Jordan: analyses with respect to migrant destination. New Medit 18(2): 39-70. http://dx.doi.org/10.30682/nm1902c.

• Koska OA. (2019) A consumer-surplus standard in foreign acquisitions, foreign direct investment, and welfare. Review of World Economics 155(1): 149-179. http://dx.doi.org/10.1007/s10290-018-0324-6.

• Koska OA. (2019) Gains from multinational competition for cross-border firm acquisition. Economics 13 http://dx.doi.org/10.5018/economics-ejournal.ja.2019-20.

• KOSKA OA. (2018) Hakların Tükenmesi İlkesinin Coğrafi Sınırları, Paralel Ticaret ve Doğrudan Yabancı Yatırımlar. Akdeniz Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi 18 38: 23-46. http://dx.doi.org/10.25294/auiibfd.492737.

• Koska OA., Onur I. and Stähler F. (2018) The scope of auctions in the presence of downstream interactions and information externalities. Journal of Economics/ Zeitschrift fur Nationalokonomie 125(2): 107-136. http://dx.doi.org/10.1007/s00712-017-0590-0.

• Koska OA., Van Long N. and Stähler F. (2018) Foreign direct investment as a signal. Review of International Economics 26(1): 60-83. http://dx.doi.org/10.1111/roie.12303.

• Koska OA. and Stähler F. (2016) The myth of profit-shifting trade policies. Economics Letters 140: 39-41. http://dx.doi.org/10.1016/j.econlet.2015.12.024.

• Koska OA. (2015) A Model of Competition between Multinationals. METU Studies in Development 42 2: 271-298.

• Koska OA. and Stähler F. (2015) Factor price differences in a general equilibrium model of trade and imperfect competition. Research in Economics 69(2): 248-259. http://dx.doi.org/10.1016/j.rie.2015.02.003.

• Koska OA. and Stahler F. (2014) Optimal acquisition strategies in unknown territories. Journal of Institutional and Theoretical Economics 170(3): 406-426. http://dx.doi.org/10.1628/093245614X14001382825101.

• Koska OA. and Stähler F. (2014) Trade and imperfect competition in general equilibrium. Journal of International Economics 94(1): 157-168. http://dx.doi.org/10.1016/j.jinteco.2014.05.004.

• Koska OA., Saygin PO., Çaǧatay S. and Artal-Tur A. (2013) International migration, remittances, and the human capital formation of Egyptian children. International Review of Economics and Finance 28: 38-50. http://dx.doi.org/10.1016/j.iref.2013.05.006.

• Mihci H., Çaǧatay S. and Koska OA. (2011) The determinants of foreign direct investment outflows from the European Union countries. Economics Bulletin 31(3): 2653-2666.

Chapters

• Koska O. and Yildirim D. (2018) Puzzling out the Feldstein–Horioka paradox for Turkey by a time-varying parameter approach. In Akkoyunlu Wigley A; Cagatay S (Ed.), The Dynamics of Growth in Emerging Economies The Case of Turkey (First Edition ed.): 48-71.Routledge.

• Ça ugatay S., De ugirmen S., Genç M., Koska OA., Lucke B. and Sayg in PÖ. (2014) Analyzing the Immigration-Induced Changes in Product Diversity and Trade Patterns: The Case of the EU-Mediterranean-Eastern Europe Zone. The Socio-Economic Impact of Migration Flows: 53-86.Springer, Cham.

• Koska O. (2011) Çok ulusulu şirketler hakkında bil(me)diklerimiz. In Mihci H (Ed.), İktisada Dokunmak: İbrahim Tanyeri'ye Armağan: 229-243. Ankara: Phoenix.

Discussion/Working Papers

• Koska O. (2022) Investing in Network Strength, Consumer Expectations, and the Mode of Competition. University of Canterbury, Department of Economics and Finance.

• Koska O. and Staehler F. (2022) Optimal Reserve Prices. University of Canterbury, Department of Economics and Finance.

• Koska O. and Stähler F. (2022) Reserve Prices as Signals. Munich Society for the Promotion of Economic Research - CESifo GmbH.

• Koska O., Gilbert J. and Oladi R. (2022) Building and Using Nonlinear Excel Simulations: An Application to the Specific Factors Model. University of Canterbury, Department of Economics and Finance.

• Koska O., Gilbert J. and Oladi R. (2020) International Trade, Upstream Market Power, and Endogenous Mode of Downstream Competition. University of Canterbury, Department of Economics and Finance..

• Koska O., Gilbert J. and Oladi R. (2020) Product Quality and Strategic Asymmetry in International Trade. University of Canterbury, Department of Economics and Finance..

• Koska OA., Onur I. and Stähler F. (2017) The Economics of Vendor Bids. ERC-Economic Research Center, Middle East Technical University..

Conference Contributions - Other

• Koska O. and Staehler F. (2021) Reserve Prices as Signals. Sydney (Virtual): The 39th Australasian Economic Theory Workshop, 18-19 Nov 2021.

• Koska O., Gilbert J. and Oladi R. (2021) International Trade, Upstream Market Power, and Endogenous Mode of Downstream Competition. Wellington: The 61st New Zealand Association of Economists Annual Conference, 23-24 Jun 2021.

• Koska O. (2019) Sourcing Product Quality for Foreign Market Entry. Melbourne: The 14th Australasian Trade Workshop, 23-24 Mar 2019.

• Koska O., Gilbert J. and Oladi R. (2019) The Scope for Strategic Asymmetry under International Rivalry. Ankara: EconTR 2019@Ankara, 5-7 Sep 2019.

• Koska O. (2018) Sourcing Product Quality for Foreign Market Entry. Mainz: The 4th Mainz workshop on Foreign Direct Investment and Multinational Corporations, 15-16 Nov 2018.

• Koska O. (2018) Trade Costs, Product Quality, and Foreign Market Entry. Antalya: The 6th International Conference on Economics - Turkish Economic Association, 1-3 Nov 2018.

• Koska O., Onur I. and Staehler F. (2017) The Economics of Vendor Bids. Auckland: The 35th Australasian Economic Theory Workshop, 13-14 Feb 2017.

• Koska O., Staehler F. and Yeni O. (2017) Trade and Commodity Taxes as Enviromental Instruments in an Open Economy. Eskisehir: Anadolu International Conference in Economics V, 11-13 May 2017.

• Koska O. (2016) Consumer-Surplus Standard in Merger Approvals, Foreign Direct Investment, and Welfare. Mainz: The 2nd Mainz Workshop on Foreign Direct Investment and Multinational Corporations, 10 Nov 2016.

• Koska O. (2016) Foreign direct investment for sale: unknown "quality of the match" and welfare. Helsinki: The 17th Annual Meeting of the European Trade Study Group, 8-10 Sep 2016.

• Koska O., Long NV. and Staehler F. (2016) Foreign Direct Investment as a Signal. Lisbon: The 43rd Annual Conference of the European Association for Research in Industrial Economics, 26-26 Aug 2016.

• Koska O., Onur I. and Staehler F. (2015) The Scope of Auctions in the Presence of Downstream Interactions and Information Externalities. Mannheim: Annual Congress of the European Economic Association, 24-27 Aug 2015.

• Koska O., Onur I. and Staehler F. (2015) The Scope of Auctions in the Presence of Downstream Interactions and Information Externalities. Munich: The 42nd Annual Conference of the European Association for Research in Industrial Economics, 28-30 Aug 2015.

• Koska O., Long NV. and Staehler F. (2013) Foreign Direct Investment as a Signal. Melbourne: The 8th Australasian Trade Workshop, 22-23 Mar 2013.

• Long NV., Staehler F. and Koska O. (2013) Foreign Direct Investment as a Signal. Aarhus: The 18th Annual Spring Meeting of Young Economists, 30 May-1 Jun 2013.

• Koska O. and Staehler F. (2012) Trade and Imperfect Competition in General Equilibrium. Mannheim: The 17th Spring Meeting of Young Economists, 26-28 Apr 2012.

• Koska O. and Staehler F. (2012) Trade and Imperfect Competition in General Equilibrium. Milano: XIIth Doctoral Meetings in International Trade and International Finance, 12-14 Apr 2012.

• Koska O., Cagatay S., Genc M. and Saygin PO. (2012) Immigration, enterprises, and employment in the European Union. Leuven: The 14th Annual Conference of the European Trade Study Group, 13-15 Sep 2012.

• Koska O. and Staehler F. (2011) Self-enforcing auctions with downstream externalities. Adelaide: The 29th Australasian Economic Theory Workshop, 16-18 Feb 2011.

• Koska O. and Staehler F. (2011) Trade and Imperfect Competition in General Equilibrium. Bari: The 2nd International Workshop “Economics of Global Interactions: New Perspectives on Trade, Factor Mobility and Development”, 5-6 Sep 2011.

• Koska O. and Staehler F. (2011) Trade and Imperfect Competition in General Equilibrium. Copenhagen: The 13th Annual Conference of the European Trade Study Group, 8-10 Sep 2011.

Oral Presentations

• Koska O. and Staehler F. (2022) Reserve Prices as Signals. University of Auckland, Department of Economics Seminar.

• Koska O., Gilbert J. and Oladi R. (2020) International trade, differentiated goods, and strategic asymmetry. Christchurch: Virtual Brown-Bag Seminars at UC, 26 Jun 2020.

• Koska O., Gilbert J. and Oladi R. (2020) International trade, upstream market power, and endogenous mode of downstream competition. Dunedin (Virtual): New Zealand Microeconomics Study Group 2020 Meeting, 30 Oct 2020.

• Koska O., Gilbert J. and Oladi R. (2019) Product Quality and Strategic Asymmetry under Export Rivalry. Auckland: New Zealand Microeconomics Study Group 2019 Meeting, 26 Oct 2019.

• Koska O. (2018) Sourcing product quality for foreign market entry. Christchurch: UC Department of Economics and Finance Seminar, 10 Oct 2018.

• Koska O. (2018) Sourcing product quality for foreign market entry. Tuebingen: Research Seminar in Economics, University of Tuebingen, 27 Jul 2018.

• Koska O. (2017) A consumer-surplus standard in merger approvals, foreign direct investment, and welfare. Antalya: Department of Economics Seminars, Akdeniz University, 17 Mar 2017.

• Koska O. (2017) A consumer-surplus standard in merger approvals, foreign direct investment, and welfare. Dunedin: Department of Economics Seminar Series, University of Otago, 10 Feb 2017.

• Koska O. (2017) A consumer-surplus standard in merger approvals, foreign direct investment, and welfare. Linz: Economics Research Seminars at JKU Linz, 06 Mar 2017.

• Koska O. (2016) A Consumer-Surplus Standard in Merger Approvals, Foreign Direct Investment, and Welfare. Tuebingen: Research Seminars in Economics, University of Tuebingen, 12 Jul 2016.

• Koska O. (2014) Takeover Auctions with Information Externalities. Dunedin: Departmental Seminar Series University of Otago, 18 Dec 2014.

• Koska O., Long NV. and Staehler F. (2014) Foreign Direct Investment as a Signal. Auckland: Department of Economics Seminars University of Auckland, 15 Dec 2014.

• Koska O. (2013) Foreign Direct Investment for Sale. Ankara: Departmental Seminar Series, METU, 27 Mar 2013.

• Koska O., Long NV. and Staehler F. (2013) Foreign Direct Investment as a Signal. Dunedin: Departmental Seminar Series, University of Otago, 15 Mar 2013.

• Koska O., Long NV. and Staehler F. (2012) Foreign Direct Investment as a Signal. Ankara: Department of Economics Seminar Series METU, 05 Nov 2012.

• Koska O., Long NV. and Staehler F. (2012) Foreign Direct Investment as a Signal. Istanbul: ITU Haydar Kazgan Economics Seminars, 09 Nov 2012.

• Koska O., Long NV. and Staehler F. (2012) Foreign Direct Investment as a Signal. Izmir: Department of Economics Seminar Series Ege University, 30 Oct 2012.

• Koska O. and Staehler F. (2010) Auctions and Commitment. Würzburg: FIFOS - Research Seminar in Economics at the University of Wuerzburg, 04 May 2010.

Other

• Koska O. and Essendorfer S. (2011) Turkey is now in the Union, but it's the "Union for the Mediterranean". EcoNZ@Otago(26): 4-6. Dunedin: Department of Economics, University ofOtago. [Economics Magazine].

Theses / Dissertations

• Koska AO. (2010) Multinational Firms, Market Entry, Foreign Direct Investment: A Thesis Submitted of the Degree of Doctor of Philosophy in Economics at the University of Otago, Dunedin, New Zealand. PhD Thesis.

Student Supervision

Displaying all items.

Current
• PhD - Dong X: PhD Thesis: Essays on Foreign Market Entry, Market Power, Strategic Firm Behaviour
Completed
• Masters - Milenkova E: The interaction between Foreign Direct Investment and Environmental Policies (2014)
• Masters - Uritesc A: Beyond Brain Circulation: The Skill Composition of Migrants and Cross-Border Investments (2013)
• Honours - Borkenhagen A: Corruption and FDI (2013)
• Honours - Dreyer J: Multinational entry and Research and Development (2013)
• Honours - Fiolka T: Multinational entry and local investment policies (2013)
• Honours - Gross C: Multinational firms and development: The role of linkages and spillovers (2011)
• Honours - Madrzak J: Environmental regulations and FDI (2013)
• Honours - Respondek I: The economics of trade agreements (2013)
• Honours - Wollensak D: International trade with cultural goods (2013)

Review and Refereeing

Journal reviewing / refereeing
• B.E. Journal of Theoretical Economics ( 2021 )
• B.E. Journal of Theoretical Economics ( 2021 )
• Canadian Journal of Economics ( 2011 )
• Economic Modelling ( 2017 )
• Economic Modelling ( 2021 )
• Economic Research ( 2013 )
• Economics Bulletin ( 2010 - 2011)
• Emerging Markets Finance and Trade ( 2013 - 2014)
• International Economic Review ( 2020 )
• International Economics-CEPII ( 2012 )
• International Review of Economics and Finance ( 2017 )
• International Review of Economics and Finance ( 2020 )
• International Review of Economics and Finance ( 2021 )
• International Tax and Public Finance ( 2017 )
• Journal of Economics ( 2017 )
• Journal of Economics ( 2020 )
• Journal of Industry, Competition and Trade: from theory to policy ( 2019 )
• Journal of Industry, Competition and Trade: from theory to policy ( 2016 )
• Journal of International Economics ( 2020 )
• Journal of Public Economic Theory ( 2018 )
• Journal of Public Economic Theory ( 2020 - 2021)
• Journal of Public Economic Theory ( 2021 )
• Mathematical Social Sciences ( 2020 )
• METU Studies in Development ( 2015 - 2016)
• Review of International Economics ( 2017 )
• Review of International Economics ( 2016 )
• Review of International Economics ( 2013 )
• Review of World Economics ( 2019 )
• Review of World Economics ( 2018 )
• Review of World Economics ( 2017 )
• Review of World Economics ( 2017 )
• Review of World Economics ( 2020 )
• Review of World Economics ( 2016 )
Conference reviewing / refereeing
• ETSG 2015: RoWE Prize ( 2015 )
• ETSG 2016: RoWE Prize ( 2016 )
• Spring Meeting of Young Economists (SMYE) 2019 ( 2018 )