Empirical Study of the Meaning of the Hedge "VERY". - Patricia Cerrito; Waldemar Karwowski; Krzysztof Ostaszewski (ICCI, 1991)

Application of Measures of Fuzziness to Risk Classification in Insurance. - Bruce R. Ebanks; Waldemar Karwowski; Krzysztof Ostaszewski (ICCI, 1992)

Insurance pricing, reinsurance and investment decision based on the Mutual Benefit of the insurer and the customer. - Hong Mao; Krzysztof Ostaszewski (IEEM, 2011)

Pricing annuity insurance integrating mortality improvement risk, interest rate risk, insolvency risk and insurance demand. - Hong Mao; Krzysztof Ostaszewski; Yuling L. Wang (IEEM, 2011)