This study examines the integration properties of total renewable energy production, as well as production of biofuels and biomass in the United States. To do so we employ Lagrange Multiplier (LM) univariate unit root tests with up to two structural breaks. We conclude that each production...

This paper examines the possibility of unit roots in the presence of endogenously determined multiple structural breaks in the total, female and male labour force participation rates (LFPR) for Australia, Canada and the USA. We extend the procedure of Gil-Alana (2008) for single structural break...