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    Inflation dynamics of Turkey: A structural estimation
    (Berkeley Electronic Press, 2005) Yazgan, ME; Yilmazkuday, H
    Recent empirical research on the New Keynesian Phillips Curve (NKPC) does not offer any supporting evidence for its benchmark version in which all firms are forward-looking. There is, however, empirical support for a modified, hybrid, NPKC, in which only a proportion of the firms that use a forward-looking rule to set prices. This paper estimates both the benchmark and the hybrid versions of the NKPC using Turkish data. In contrast with the previous applications on developed countries like the U.S. and several Euro area countries, we find empirical support for the benchmark NPKC. This support persists even after controlling for the weak identification problem which has been a serious concern in generalized method of moment estimation. Moreover, the hybrid NKPC is refuted by the data, i.e. the backward-looking behavior is found to be statistically insignificant.
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    The purchasing power parity hypothesis for a high inflation country: a re-examination of the case of Turkey
    (Routledge Taylor & Francis Ltd, 2003) Yazgan, ME
    The long-run purchasing power parity (PPP) hypothesis is re-examined for Turkey and strong evidence on long-run PPP is provided by using standard multivariate cointegration techniques. It is argued that the refutation of PPP by Telatar and Kazdagli does not necessarily imply the failure of taking the non-linearity in real exchange rate adjustment into account, as proposed by Sarno, but it may be due to the use of univariate framework for testing PPP chosen by Telatar and Kazdagli. By using persistence profiles, half-life deviations from PPP are estimated as low as one and a half years. Since these estimates are substantially lower than those previously obtained in the literature, the analysis suggests that high inflation environment does not constitute a case for the PPP puzzle.