scholarly journals YAŞAM BEKLENTİSİNDE AFETLERİN TOPLUMSAL CİNSİYET UÇURUMU ÜZERİNE ETKİSİ: DOĞRUSAL OLMAYAN ARDL MODELİ/THE IMPACT OF DISASTERS ON THE GENDER GAP IN LIFE EXPECTANCY: NONLINEAR ARDL MODEL

Author(s):  
Gülten DURSUN
2020 ◽  
Vol 5 (2) ◽  
pp. 143-157
Author(s):  
İsmet Göçer ◽  
Serdar Ongan

Abstract This study investigates the asymmetric impacts of changes in inflation rates on the US bond rates. This investigation is constructed on the Fisher Equation. To this end, the nonlinear ARDL model is applied. Empirical findings indicate that only the decreases (π− t ) in inflation rates affect bond rates. This asymmetric impact therefore shapes the FED’s monetary policy in terms of determining the bond rates at lower cost. When the inflation rate rises, the FED will know (in advance) that they do not need to increase the bond rates. This reminds us the FED’s former pre-emptive strike policy against inflation.


2019 ◽  
Vol 12 (2) ◽  
pp. 293-304
Author(s):  
Serdar Ongan ◽  
Ismet Gocer

Purpose This paper aims to investigate the presence of the Fisher effect for the USA from a new methodological perspective differing it from all previous studies using the common linear representation of the Fisher equation. Design/methodology/approach The nonlinear ARDL model, recently developed by Shin et al. (2014), is applied for the 10-year US Government bond rates over the period of 1985M1-2017M10. Findings The empirical findings indicate that the US Federal Reserve (FED) is a more predominant arbiter in the determination of interest rates during periods of declining inflation rates than periods of rising inflation rates. This finding may allow the FED to apply more proactive and prudent monetary policy. Additionally, this study newly describes and introduces a different version of the partial Fisher effect and extends the Fisher equation to some degree in terms of the partial Fisher effect. Originality/value To the best the authors’ knowledge, this method is applied for the first time in testing the Fisher effect for the USA.


2020 ◽  
Vol 21 (3) ◽  
pp. 217-231
Author(s):  
Mariarosaria Coppola ◽  
Maria Russolillo ◽  
Rosaria Simone

Purpose This paper aims to measure the financial impact on social security system of a recently proposed indexation mechanism for retirement age by considering the Italian longevity experience. The analysis is motivated by the progressive increase in life expectancy at advanced age, which is rapidly bringing to the fore noticeable socio-economic consequences in most industrialized countries. Among those, the impact on National Social Security systems is particularly relevant if people live longer than expected; this will lead to greater financial exposure for pension providers. Design/methodology/approach Referring to the Italian population for illustrative purposes, the authors contemplate different scenarios for mortality projection methods and for the implementation of pension age shift while accounting for gender and cohort gaps and model risk. Synthetic indicators to measure the impact of the indexation mechanism on social security system are introduced on the basis of pension cash flows. Findings An indexation policy that manages gender gap while adjusting retirement age for varying life expectancy is proposed. As a result, sustainability of public retirement expenditure is improved. Originality/value The paper is a concise scenario analysis of the reduction of costs and risks that pension providers would have if the system resorted to link retirement age to life expectancy. The ideas fostered by the paper follow a recent proposal of the Authors on a flexible retirement scheme that deals with model risk for mortality projection and accounts for gender gap in mortality rates.


2020 ◽  
Vol 57 (1) ◽  
pp. 139-162
Author(s):  
Jerg Gutmann ◽  
Matthias Neuenkirch ◽  
Florian Neumeier

2020 ◽  
Vol 66 (2) ◽  
pp. 93-129
Author(s):  
Mohsen Bahmani-Oskooee ◽  
Huseyin Karamelikli

We consider the short-run and the long-run effects of the real Turkish Lira-Euro rate on the trade balance of each of the 64 industries that trade between Turkey and Germany. We find relatively more significant effects by estimating a nonlinear ARDL model for each industry. Indeed, the approach of separating currency depreciation from appreciation identified the five largest Turkish industries that engage in more than 50 % of the trade between these two countries and that benefitted from Turkish Lira depreciation against the Euro.


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