Browsing by Author "Arvas, M. Akif"

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    Article
    Non Price Competition and Market Structure in Sunk Cost Industries: Turkish Manufacturing Industries
    (Bilgesel Yayincilik San & Tic Ltd, 2014) Arvas, M. Akif; Mihci, Sevinc
    This study aims to investigate that whether Sutton's predictions for sunk cost industries are robust for Turkish manufacturing industries using a panel data set. In this respect, the bounds are estimated as stochastic frontiers, where observable industry characteristics, entry barriers and export intensity are allowed to affect the mean and variance of the deviations from the frontier. In accordance with the theory, Type 2 industries have a lower bound for concentration, which is higher than that for Type 1. Besides that, tough price competition leads to a decrease in the lower bound for concentration in both Type industries contrary to the theory. This finding shows that as price competition gets tougher, entry barriers by Type 1, Type 2A and 2R (therefore the relevant non-price competition) are substantially not important. Another finding shows that Custom Union decreases concentration in both types of industries.
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    Article
    Estimating the Effect of Smoking and Alcohol Consumption on Health Expenditures by Spectral Causality Approach: Evidence From the Turkish Case
    (int Journal Contemporary Economics & Administrative Sciences, 2023) Ozen, Kerem; Arvas, M. Akif; Yenilmez, Meltem I. N. C. E.
    The main purpose of this study is to evaluate the effects of smoking and alcohol use on health expenditures in Turkey. For this purpose, the spectral Granger causality approach was used, and the data set was collected from the OECD stat website for the period 1990 and 2019. According to the first finding, there is a strong causality between smoking and alcohol use and health expenditure, specifically in the 0, 0.5 domains, and supports the existence of bidirectional causality. Secondly, while there was a unidirectional causality from alcohol to health, this causality was found to be stronger in the following years. The last finding surprisingly revealed that tobacco use was not the Granger cause of health expenditures, whereas reverse causality was only supported in the domains of 0 and 2.5.