We propose a monitoring procedure to detect a structural change from stationary to integrated behavior. When the procedure is applied to the errors of a relationship between integrated series it thus monitors a structural change from a cointegrating relationship to a spurious regression. The...

To form optimum firm capital structure strategies to face unanticipated economic events, firm managers should understand the stability of a firm's capital structure. The aim of this research was to study whether the debt ratio is stationary in listed firms on the Dow Jones Industrial Average...

This note shows that German real GDP follows a trendstationary process. Both tests which have trendstationarity as the alternative hypothesis as well as tests that have it under the null hypothesis prefer the trendstationary model. Explicit consideration of breaks in the trend is not necessary...