This study focuses on determining whether short-term market inefficiencies exist that can be periodically exploited by investors. Berkshire Hathaway's dual class stock with differential voting rights and one- way conversion option provides a unique opportunity to investigate this issue while...

Purpose – The purpose of this paper is to forecast variability in mortgage rates by using interval measured data and interval computing method. Design/methodology/approach – Variability (interval) forecasts generated by the interval computing are compared with lower‐ and upper‐bound...