A mathematical model for the hit phenomenon in entertainment within a society is presented as a stochastic process of interactions of human dynamics. The calculations for the Japanese motion picture market based on to the mathematical model agree very well with the actual residue distribution in...

Established nowcasting techniques generally use as inputs two types of economic data: directly quantifiable variables, mostly referred to as hard data, and survey-based measures of the economy, or soft data. In this paper we increase the dimensionality of the nowcasting input data set by...