Using a sample of established couples, we conduct an experiment on household decision-making. Individual partners first make a series of dichotomous choices between household goods and vouchers for experiences and then the couple jointly face the same choices. A random lottery device is used to...

We have developed a new test against spurious long memory based on the invarianceof long memory parameter to aggregation. By using the local Whittleestimator, the statistic takes the supremum among combinations of paired aggregatedseries. Simulations show that the test performs good in nite...

In diesem Beitrag wird mit Galtungs Konzept der „Suche und Brechung von Invarianzen“ einin der betriebswirtschaftlichen Diskussion um die Kausalanalyse kaum beachtetes Konzeptzum Umgang mit festgestellten Wirkungszusammenhängen vorgestellt. Dabei wirdinsbesondere die Rolle der...

In this paper, we analyse the properties of recursive trend adjusted unit root tests. We show that OLS based recursive trend adjustment can produce unit root tests which are not invariant when the data is generated from a random walk with drift and investigate whether the power performance...