We introduce and investigate some properties of a class of nonlinear time series models based on the moving sample quantiles in the autoregressive data generating process. We derive a test fit to detect this type of nonlinearity. Using the daily realized volatility data of Standard & Poor's 500...

This paper evaluates the importance of middle class vulnerability to poverty for subjective well-being (happiness) in European countries. Using the special module of the European Union Statistics on Income and Living Conditions micro-data on well-being and national aggregates from the World...