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IMPROVEMENT OF FUZZY MORTALITY MODELS BY MEANS OF ALGEBRAIC METHODS

Szymański, Andrzej; Rossa, Agnieszka - In: Statistics in Transition New Series 18 (2017) 4, pp. 701-724

Persistent link: https://www.econbiz.de/10012141690

The complex-number mortality model (CNMM) based on orthonormal expansion of membership function

Szymański, Andrzej; Rossa, Agnieszka - In: Statistics in transition : an international journal of … 22 (2021) 3, pp. 31-57

The paper deals with a new fuzzy version of the Lee-Carter (LC) mortality model, in which mortality rates as well as parameters of the LC model are treated as triangular fuzzy numbers. As a starting point, the fuzzy Koissi-Shapiro (KS) approach is recalled. Based on this approach, a new fuzzy...

Persistent link: https://www.econbiz.de/10012655795

Modification of the Lee-Carter mortality model and its application in the pension scheme

Rossa, Agnieszka - In: Argumenta oeconomica 49 (2022) 2, pp. 93-113

Persistent link: https://www.econbiz.de/10014279315

The international agri-food trade of Central and Eastern European countries

Paszkowski, Stanisław; Szymański, Andrzej - In: Verwestlichung Europas, (pp. 287-308). 1999

Persistent link: https://www.econbiz.de/10001504513

Impact of WTO agriculture agreement on the Central European countries : implications for the next round

Paszkowski, Stanisław; Szymański, Andrzej; … - In: Von der Emanzipation zur Integration, (pp. 251-267). 2000

Persistent link: https://www.econbiz.de/10001538944

A comparative analysis of firm performance in post-socialist economies : evidence from the Polish food processing industry

Szymański, Andrzej - In: Post-communist economies 19 (2007) 4, pp. 433-448

Persistent link: https://www.econbiz.de/10003633395

Predicting parity progression ratios for young women by the end of their childbearing life

Rossa, Agnieszka; Palma, Agnieszka - In: Statistics in Transition New Series 21 (2020) 1, pp. 55-71

Parity progression ratios (PPR's) have been extensively described in literature on demography and have played an important role in fertility, unlike the idea of calculating projected parity progression ratios proposed by Brass (1985). However, we decided to use this method in our paper to...

Persistent link: https://www.econbiz.de/10012600218

Przyszłość demograficzna Polski

Kowaleski, Jerzy T. (contributor); … - 2009

Persistent link: https://www.econbiz.de/10003905183

Społeczno-ekonomiczny i demograficzny rozwój Łodzi na tle wybranych miast Polski /pod red. Jerzego T. Kowaleskiego i Agnieszki Rossy

Kowaleski, Jerzy T. (contributor); … - 2010

Persistent link: https://www.econbiz.de/10009009912

Predicting parity progression ratios for young women by the end of their childbearing life

Rossa, Agnieszka; Palma, Agnieszka - In: Statistics in transition : an international journal of … 21 (2020) 1, pp. 55-71

Parity progression ratios (PPR’s) have been extensively described in literature on demography and have played an important role in fertility, unlike the idea of calculating projected parity progression ratios proposed by Brass (1985). However, we decided to use this method in our paper to...

Persistent link: https://www.econbiz.de/10012183475