[1. Acciaro, M. (2014) Real option analysis for environmental compliance: LNG and emission control areas. Transportation Research Part D: Transport and Environment, 28, 41-50.10.1016/j.trd.2013.12.007]Search in Google Scholar
[2. Albrecht, J. (2015) Stakeholder involvement in developing LNG as a ship fuel in the Baltic Sea region.]Search in Google Scholar
[3. Allwright, G. (2018) Commercial Wind Propulsion Solutions: Putting the ‘Sail’ Back into Sailing. In Trends and Challenges in Maritime Energy Management, pp. 433-443. Springer, Cham.10.1007/978-3-319-74576-3_30]Search in Google Scholar
[4. Atari, S., Bakkar, Y., Olaniyi, E. O., & Prause, G. (2019) Real options analysis of abatement investments for sulphur emission control compliance. Entrepreneurship and Sustainability Issues, 6(3), 1062-1087.10.9770/jesi.2019.6.3(1)]Search in Google Scholar
[5. Atari, S., & Prause, G. (2017) Risk assessment of emission abatement technologies for clean shipping. In: International Conference on Reliability and Statistics in Transportation and Communication, pp. 93-101. Springer, Cham.10.1007/978-3-319-74454-4_9]Search in Google Scholar
[6. Bendall, H., & Stent, A. F. (2003) Investment strategies in market uncertainty. Maritime Policy & Management, 30(4), 293-303.10.1080/0308883032000145609]Search in Google Scholar
[7. Bezemer, P. J., Maassen, G. F., Van den Bosch, F. A., & Volberda, H. W. (2007) Investigating the Development of the Internal and External Service Tasks of Non-executive Directors: the case of the Netherlands (1997–2005). Corporate Governance: An International Review, 15(6), 1119-1129.]Search in Google Scholar
[8. Blume, M. E. (1970) Portfolio theory: a step toward its practical application. The Journal of Business, 43(2), 152-173.10.1086/295262]Search in Google Scholar
[9. Carter, D. A., Dare, W.H. & Elliott, W.B. (2002) Determination of Mean-Variance Efficient Portfolios Using an Electronic Spreadsheet, Journal of Financial Education, 28(3), 63-78.]Search in Google Scholar
[10. Chen, N. F., Roll, R., & Ross, S. A. (1986). Economic forces and the stock market. Journal of Business, 383-403.10.1086/296344]Search in Google Scholar
[11. Cox, J. C., & Rubinstein, M. (1985) Options markets. Prentice Hall.]Search in Google Scholar
[12. Danilov, R., Arabyan, M., & Usov, D. (2019) Influence of technologies on LNG market development. In IOP Conference Series: Materials Science and Engineering, 537(4), p. 042030. IOP Publishing.10.1088/1757-899X/537/4/042030]Search in Google Scholar
[13. DNV, G. (2018) Current price development oil and gas.]Search in Google Scholar
[14. Drobetz, W., Schilling, D., & Tegtmeier, L. (2010) Common risk factors in the returns of shipping stocks. Maritime Policy & Management, 37(2), 93-120.10.1080/03088830903533726]Search in Google Scholar
[15. Drobetz, W., Gounopoulos, D., Merikas, A., & Schröder, H. (2013) Capital structure decisions of globally-listed shipping companies. Transportation Research Part E: Logistics and Transportation Review, 52, 49-76.10.1016/j.tre.2012.11.008]Search in Google Scholar
[16. Eurostat (2019) Natural gas price statistics. Retrieved from: https://ec.europa.eu/eurostat/statistics-explained/index.php/Natural_gas_price_statistics#Natural_gas_prices_for_non-household_consumers.]Search in Google Scholar
[17. Fama, E. F., & French, K. R. (1993) Common risk factors in the returns on stocks and bonds. Journal of financial economics, 33(1), 3-56.10.1016/0304-405X(93)90023-5]Search in Google Scholar
[18. Friend, I., & Blume, M. (1970) Measurement of portfolio performance under uncertainty. The American Economic Review, 60(4), 561-575.]Search in Google Scholar
[19. Gibbs, D. (2009) Sustainability entrepreneurs, ecopreneurs and the development of a sustainable economy. Greener Management International, 55.]Search in Google Scholar
[20. Grammenos, C. T., & Arkoulis, A. G. (2002) Macroeconomic factors and international shipping stock returns. International Journal of Maritime Economics, 4(1), 81-99.10.1057/palgrave.ijme.9100033]Search in Google Scholar
[21. Hansson, J., Månsson, S., Brynolf, S., & Grahn, M. (2019) Alternative marine fuels: Prospects based on multi-criteria decision analysis involving Swedish stakeholders. Biomass and Bioenergy, 126, 159-173.10.1016/j.biombioe.2019.05.008]Search in Google Scholar
[22. Hilmola, O. P. (2018) The Sulphur Cap in Maritime Supply Chains: Environmental Regulations in European Logistics. Springer.10.1007/978-3-319-98545-9]Search in Google Scholar
[23. Hunke, K.; Prause, G. (2013) Management of Green Corridor Performance. Transport and Telecommunication, 14 (4), 292−299. DOI 10.2478/ttj-2013-0025.10.2478/ttj-2013-0025]Search in Google Scholar
[24. Karakitsos, E., & Varnavides, L. (2014) Maritime economics: A macroeconomic approach. Springer.10.1057/9781137383419]Search in Google Scholar
[25. Kavussanos, M. G., & Marcoulis, S. N. (2005) Cross industry comparisons of the behaviour of stock returns in shipping, transportation and other industries. Research in Transportation Economics, 12(4), 107-142.]Search in Google Scholar
[26. Kavussanos, M. G., Marcoulis, S. N., & Arkoulis, A. G. (2002) Macroeconomic factors and international industry returns. Applied Financial Economics, 12(12), 923-931.10.1080/09603100110069374]Search in Google Scholar
[27. Kavussanos, M. G., & Visvikis, I. D. (Eds.). (2016) the international handbook of shipping finance: theory and practice. Springer.10.1057/978-1-137-46546-7]Search in Google Scholar
[28. King, A. J. (1993) Asymmetric risk measures and tracking models for portfolio optimization under uncertainty. Annals of Operations Research, 45(1), 165-177.10.1007/BF02282047]Search in Google Scholar
[29. Leibowitz, M. L., Sorensen, E. H., Arnott, R. D., & Hanson, H. N. (1989) A total differential approach to equity duration. Financial Analysts Journal, 45(5), 30-37.10.2469/faj.v45.n5.30]Search in Google Scholar
[30. Lin, C. M., Phillips, R. D., & Smith, S. D. (2008) Hedging, financing, and investment decisions: Theory and empirical tests. Journal of Banking & Finance, 32(8), 1566-1582.10.1016/j.jbankfin.2007.11.014]Search in Google Scholar
[31. Markowitz, H. (1952) Portfolio Selection, The Journal of Finance, 7(1), p. 77-91.]Search in Google Scholar
[32. Markowitz, H. (1959) Portfolio selection: Efficient diversification of investments, 16. New York: John Wiley.]Search in Google Scholar
[33. McDonnell, P. (2008) Optimal Portfolio Modeling: Models to Maximize Returns and Control Risk in Excel and R, 306. John Wiley & Sons.]Search in Google Scholar
[34. Mohseni, S. A., van Hassel, E., Sys, C., & Vanelslander, T. (2019) Economic evaluation of alternative technologies to mitigate Sulphur emissions in maritime container transport from both the vessel owner and shipper perspective. Journal of Shipping and Trade, 4(1), 15.10.1186/s41072-019-0051-8]Search in Google Scholar
[35. Mokhtar, M., Shuib, A., & Mohamad, D. (2014) Mathematical programming models for portfolio optimization problem: A review. International Journal of Social, Management, Economics and Business Engineering, 8(2), 443-450.]Search in Google Scholar
[36. Moreira, P. J. P. (2019) Shipping and sustainability liquefied natural gas as an alternative fuel: evidence from Portugal.]Search in Google Scholar
[37. Olaniyi, E. O., & Gerlitz, L. (2019) LNG maritime energy contracting model. Entrepreneurship and Sustainability Issues, 7(1), 574-594.10.9770/jesi.2019.7.1(40)]Search in Google Scholar
[38. Olaniyi, E. O.; Prause, G. (2019) SECA regulatory impact assessment: Administrative burden costs in the Baltic Sea Region. Transport and Telecommunication, 20 (1), 62−73. DOI 10.2478/ttj-2019-0006.10.2478/ttj-2019-0006]Search in Google Scholar
[39. Olaniyi, E. O., Prause, G., & Boyesen, J. (2018) The Impact of SECA Regulations on Clean Shipping in the Baltic Sea Region. In: Trends and challenges in maritime energy management, pp. 309-323. Springer, Cham.10.1007/978-3-319-74576-3_22]Search in Google Scholar
[40. Olaniyi, E. O., Atari, S., & Prause, G. (2018) Maritime energy contracting for clean shipping. Transport and Telecommunication Journal, 19(1), 31-44.10.2478/ttj-2018-0004]Search in Google Scholar
[41. Prause, G.; Olaniyi, E. O. (2019) A compliance cost analysis of the seca regulation in the Baltic Sea. Entrepreneurship and Sustainability Issues, 6(4), 1907−1921. DOI 10.9770/jesi.2019.6.4(26).10.9770/jesi.2019.6.4(26)]Search in Google Scholar
[42. Rachev, S., Ortobelli, S., Stoyanov, S., Fabozzi, F. J., & Biglova, A. (2008) Desirable properties of an ideal risk measure in portfolio theory. International Journal of Theoretical and Applied Finance, 11(1), 19-54.10.1142/S0219024908004713]Search in Google Scholar
[43. Rahm, S. (2015) The costly future of green shipping. London: Schroders.]Search in Google Scholar
[44. Raza, Z., Woxenius, J., & Finnsgård, C. (2019) Slow Steaming as Part of SECA Compliance Strategies among RoRo and RoPax Shipping Companies. Sustainability, 11(5), 1435.10.3390/su11051435]Search in Google Scholar
[45. Reinhold, K., Järvis, M., & Prause, G. (2019) Occupational health and safety aspects of green shipping in the Baltic Sea. Entrepreneurship and Sustainability Issues, 7(1), 10-24.10.9770/jesi.2019.7.1(1)]Search in Google Scholar
[46. Sachs, J. D., Woo, W. T., Yoshino, N., & Taghizadeh-Hesary, F. (2019) Handbook of Green Finance: Energy Security and Sustainable Development.10.1007/978-981-10-8710-3]Search in Google Scholar
[47. Schinas, O., & Metzger, D. (2019) A pay-as-you-save model for the promotion of greening technologies in shipping. Transportation Research Part D: Transport and Environment, 69, 184-195.10.1016/j.trd.2019.01.018]Search in Google Scholar
[48. Sharples, J. (2019) LNG supply chains and the development of LNG as a shipping fuel in Northern Europe.10.26889/9781784671266]Search in Google Scholar
[49. Shenoi, R.A., Bowker, J.A., Dzielendziak, A.S., Lidtke, A.K., Zhu, G., Cheng, F., Argyos, D., Fang, I., Gonzalez, J., Johnson, S. and Ross, K., (2015) Global Marine Technology Trends 2030.]Search in Google Scholar
[50. Stopford, M. (2008) Maritime Economics/М. Stopford.10.4324/9780203891742]Search in Google Scholar
[51. Team, C. P. (2017) How much trade transits the South China Sea? China Power.]Search in Google Scholar
[52. Thomas, J. F., Sluder, C. S., Kass, M. D., & Theiss, T. (2019) A Guide to Fuel, Lubricant, and Engine Concerns Relative to the IMO 2020 Fuel Oil Sulfur Reduction Mandate. ORNL, 1406.]Search in Google Scholar
[53. Todd, D. (2019) The world shipbuilding industry. Routledge.10.4324/9780367351915]Search in Google Scholar
[54. Varian, H. (1993) A portfolio of Nobel laureates: Markowitz, Miller and Sharpe. Journal of Economic Perspectives, 7(1), 159-169.10.1257/jep.7.1.159]Search in Google Scholar
[55. Veritas, D. N. (2018) Global Sulphur Cap 2020-extended and updated.]Search in Google Scholar
[56. Wang, H. (2014) The end of the era of heavy fuel oil in maritime shipping. The International Council on Clean Transportation (ICCT). Retrieved from: http://www.theicct.org/blogs/staff/endera-heavy-fuel-oil-maritime-shipping (accessed: 17.08.15).]Search in Google Scholar
[57. Wang, S., & Notteboom, T. (2014) The adoption of liquefied natural gas as a ship fuel: A systematic review of perspectives and challenges. Transport Reviews, 34(6), 749-774.10.1080/01441647.2014.981884]Search in Google Scholar
[58. Westgaard, S., Frydenberg, S., Mitter, K. W., & Jensen, E. F. (2007) Economic and Financial Risk Factors and Tanker Shipping Stock Returns. Available at SSRN 969910.10.2139/ssrn.969910]Search in Google Scholar
[59. Wijnolst, N., & Wergeland, T. (1996) Shipping. Delft University Press.]Search in Google Scholar
[60. Yu, C. K., Yip, T. L., & Choy, S. K. (2019) Optimal portfolio choice for ship leasing investments. Maritime Policy & Management, 46(7), 884-900.10.1080/03088839.2019.1647361]Search in Google Scholar