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 s

A comprehensive review of unit roots, cointegration and structural change from a best-selling author.

Many economic theories depend on the presence or absence of a unit root for their validity, making familiarity with unit roots extremely important to econometri

This book is designed for self study. The reader can apply the theoretical concepts directly within R by following the examples.

In this paper, it is demonstrated by simulation that, contrary to a widely held belief, pure seasonal mean shifts - i.e., seasonal structural breaks which affec