Is there a J-curve effect in Turkish services?

This paper explores the existence of the J-curve effect in Turkish services. The model of Bahmani-Oskooee (Rev Econ Stat 67:500–504, 1985), one of the most commonly employed model in the j-curve literature, is adopted. Using quarterly data from 1986: I to 1998: III, we find that, as a result of real depreciation of Turkish currency, YTL, services trade balance initially improves, then worsens and improves again in the short run. This is a pattern indicating that J-curve effect does not exist in Turkish services sector. We also find that depreciation of Turkish Lira improves the trade balance of the sector in the long run, a result consistent with earlier findings for the whole Turkish economy.     

Competition in Turkish mobile telecommunications markets: Price elasticities and network substitution

This paper estimates demand elasticities for Turkish mobile telecommunications markets. In contrast to most other studies, firm-level data is used to estimate dynamic panel data models including instrumental variable techniques. Both short- and long-run elasticities are calculated, yielding a long-run price elasticity of −0.72 for the post-paid market and of −0.33 for the pre-paid market. The short-run price elasticity is estimated to be −0.36 for the post-paid market and −0.20 for the pre-paid market. In addition, there is evidence of fixed-to-mobile traffic substitution for consumers who use pre-paid cards.     

Manipulation through political endorsements

We study elections with three candidates under plurality voting. A candidate is a Condorcet loser if the majority of the voters place that candidate at the bottom of their preference rankings. We first show that a Condorcet loser might win the election in a three-way race. Next we introduce to the model an endorser who has private information about the true probability distribution of the preferences of the voters. Observable endorsements facilitate coordination among voters who may otherwise split their votes and lead to the victory of the Condorcet loser. When the endorser has an ideological bias towards one of the candidates, the coordination impact of endorsements remains unaltered, moreover the endorser successfully manipulates the outcome of the election in favor of his bias, even if his ideological bias is known by the voters. The results are true for any endorsement cost and any magnitude of bias as long as the electorate is large enough.     

An evaluation of class-teachers’ roles in transferring values

Besides their academic success, teachers are bound to equip learners with values and prepare them as good citizens for the society. In this respect, the aim of this study is to evaluate primary school class-teachers’ roles in transferring values to their learners. This qualitative study comprises views by inspectors, directors, subject-teachers working in ten primary schools and parents in the city of Nicosia, Cyprus. The data was collected through interviews. This research indicated that class-teachers are effective role-models with responsibilities and effect of values transferring differed according to academic priorities and personalities. While parents feel satisfied with values transfer, most inspectors, directors and subject-teachers point to deficiencies in the approach. At this point, it is suggested that teachers are trained and a target-based curriculum is designed. This study was particularly aimed at evaluating class-teachers’ roles in transferring values in primary school years, which are assumed to be the most critical period of time. In the literature, the opinions of inspectors, directors, subject-teachers and parents about value transferring are not well known. One of the aims of tolerance education is that all stakeholders in educational organizations are satisfied with the transferring values and they feel peaceful. In this study, these new perspectives will show the state of harmony in educational institutions and the different opinions about transferring values. This research is hoped to add to this issue, which was rarely dealt with in literature, for the development of applications and policies.