Testing for Regime Changes in Greek Sovereign Debt Crisis

Testing for Regime Changes in Greek Sovereign Debt Crisis,10.1007/s11294-011-9311-6,International Advances in Economic Research,Nicholas Apergis,Emman

Testing for Regime Changes in Greek Sovereign Debt Crisis  
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This paper examines whether the efficiency market hypothesis for the Greek sovereign debt holds. As in Blanco et al. (2005) we test the theoretical equivalence of credit default swap (CDS) and spreads that dictates a CI relationship between the two. The main innovation of the present analysis is the use of a threshold vector error-correction (TVECM) model, thus allowing thresholds within the sample covering the period 1990 to 2010. Moreover, by employing this methodology we are able to evaluate the degree and dynamics of transaction costs resulting from various events due to external market imperfections but also domestic factors. The main hypothesis we test is to what extent spreads and CDS are indeed integrated that may result in an efficient and integrated segniorage capital market. Our findings support the gradual integration hypothesis. We find that spreads and CDS are cointegrated, though threshold effects are also revealed in terms of events that have impacted on markets.
Journal: International Advances in Economic Research , vol. 17, no. 3, pp. 258-273, 2011
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