- Krzysztof Ostaszewski, “Spiskowa teoria ubezpieczen” (in Polish), self-published, 2019.
- Krzysztof Ostaszewski, “Najlepiej zarabiający lekarze i horrendalne ceny leków: co zmieni się w USA po wyborach?”, an interview at Bankier.pl portal about health insurance reform in the United States (in Polish), November 5, 2012.
- Krzysztof Ostaszewski, Laughing at the Regime, Mises Daily: Wednesday, June 16, 2010.
- Krzysztof Ostaszewski, “There is an alternative to central planning,” The Pantagraph, Tuesday, January 1, 2002, p. A10.
- Krzysztof Ostaszewski, “Reforma Podatkowa w U.S.A.” (In Polish, translates as: “Tax Reform in the U.S.”), Najwyzszy Czas, July 7-14, 2001, pp. 37-38.
- Krzysztof Ostaszewski, “Social Security: No longer a notably productive investment,” The Pantagraph, Friday, February 23, 2001, p. A15.
- Krzysztof Ostaszewski, “Panstwo, podatki i sprawiedliwosc” (in Polish, translates as “The state, taxes, and justice”), Prawo i Gospodarka, 13 lutego 1998 (February 13, 1998), p. 14.
- Krzysztof Ostaszewski, “Przed wyborem systemu ubezpieczen” (in Polish, translates as: “Before Choosing the Pension System”), Prawo i Gospodarka, p. 3, Warsaw, Poland, January 30, 1998.
- Krzysztof Ostaszewski, “Prywatyzacja ubezpieczen spolecznych: Dlaczego i jak? Argument za” (in Polish, translates as: “Privatization of social insurance: Why and how? In favor of the resolution”), Adam Smith Research Centre, Warsaw, Poland, April 1997.
- Krzysztof Ostaszewski, “Skad Na To Wziac Pieniadze?”, (in Polish, translates as: “Where do we get the money?”), Rzeczpospolita, November 18, 1996.
- Krzysztof Ostaszewski and Stanislaw Wieteska, “Niepowtarzalna szansa rosnacych rezerw dewizowych” (in Polish, translates as: “The unique opportunity of increasing foreign currency reserves”), Rzeczpospolita , 203(4156), September 2-3, 1995, p. 9.
- Krzysztof Ostaszewski, “Sprywatyzowac ZUS” (in Polish, translates as: “Privatize social insurance”), Rzeczpospolita, 143(4096), June 22, 1995, p. 17.
- Krzysztof Ostaszewski, “Pokochac Kapitalizm: O Wojnie” (in Polish, translates as: “Fall in Love with Capitalism: On War”), Echo Tygodnia, August 23, 1990.
- Krzysztof Ostaszewski, “Pokochac Kapitalizm: Kapitalizm w Azji — Filipiny” (in Polish, translates as: “Fall in Love with Capitalism: Asian Capitalism — Phillipines”), Echo Tygodnia, No. 92, August 10, 1989.
- Krzysztof Ostaszewski, “Pokochac Kapitalizm: Kapitalizm w Azji — Hongkong” (in Polish, translates as: “Fall in Love with Capitalism: Asian Capitalism — Hongkong”), Echo Tygodnia, No. 91, July 27, 1989.
All information contained here is, to our best knowledge, correct, but it is merely a representation, and should not be considered to be any form of professional advice. This electronic publication should not be misconstrued as the official position of Illinois State University, or its Department of Mathematics. We are glad to provide as much information as possible here, but we kindly ask that in any decision related to matters listed here you seek additional counsel and information. Comments on this Home Page are welcome and should be sent to Dr. Krzysztof Ostaszewski at his e-mail address: krzysio@ilstu.edu.