The Interest Rate Parity in Fragile Five Countries: Evidence from Unit Root Tests with Breaks

Purchasing Power Parity Hypothesis In OIC Countries: Evidence From Panel Unit Root Tests With Heterogeneous Structural Breaks

purchasing power parity hypothesis in oic countries: evidence from panel unit root tests with heterogeneous structural breaks

Seasonal Unit Root Tests Under Structural Breaks

In this paper, several seasonal unit root tests are analysed in the context of structural breaks at known time and a new break corrected test is suggested. We show that the widely used HEGY test as well as an LM variant thereof are asymptotically robust to seasonal mean shifts of finite magnitude. In finite samples, however, experiments reveal that such tests suffer from severe size distortions...

Stationarity of health expenditures and GDP: evidence from panel unit root tests with heterogeneous structural breaks.

This paper re-examines the stationarity of national health care expenditures and GDP in a panel setting utilizing data from 20 OECD countries over the period from 1960 to 1997. Previous research in this area has recognized the drawback of not allowing for structural breaks in their unit root tests and noted that their empirical results may not be robust. We advance the literature by utilizing a...

Tests of Covered Interest Rate Parity

ECEN’FLY there has been considerable interest in and investigations of whether the covered interest parity (CIP) holds. At the inicroeconomic level, CIP is important because is it a direct consequence of covered interest arbitrage. Its failure to hold would suggest 1) that markets are inefficient in the sense that traders do not take advantage of known profit opportunities, 2) that legal restri...