The following paper discusses the analysis of some types of economic time series using an altered time scale, or … operational time. It is argued that for some series, observations that are ordinarily thought of as equidistant in time are … actually irregularly spaced in a more natural time scale. Section A discusses point or impulse sampling of related series and …

high/low mood periods, including those induced by Daylight Saving Time changes, weather conditions and anticipation of …

shock, depending on race and gender, resulting in a significant increase in mortality rates and drop in life expectancy. We …We adopt a time series approach to investigate the historical relation between unemployment, life expectancy, and … mortality rates. We fit Vector-autoregressions for the overall US population and for groups identified based on gender and race …

time-varying weight in new lists, and one can decompose the market return into a fixed weight return plus a timing return …

average returns. This rules out typical risk-based explanations and is a challenge to structural models of time …