The purpose of this paper is to investigate the stochastic behavior of corporate debt ratios utilizing a balanced panel of 2,556 publicly traded US firms during the period 1997 - 2010. We partition the panel into ten economic sectors and perform panel unit root tests on each sector employing...

We employ the nonlinear unit-root test recently developed by Omay et al. (2018), as well as other linear and nonlinear tests, to examine the stationarity of five multi-century historical U.K. series of real output compiled by the Bank of England (Thomas and Dimsdale, 2017). Three series span...

This paper employs linear and nonlinear unit-root tests to investigate: a) the price dynamics of the home price indices included in the S&P/Case-Shiller Composite10 index, and b) the validity of the “ripple effect,” following the approach outlined in Meen (1999). In general, the findings...