Consider a first order linear time-invariant discrete time system driven by process noise, a pre-processor that accepts causal measurements of the state of the system, and a state estimator. The pre-processor and the state estimator are not co-located, and, at every time-step, the pre-processor...

Young adults leave their parents' home at a higher rate in Northern Europe and the United States than in Southern Europe, with broad implications on labor mobility, intergenerational sharing of resources and on fertility. This paper assesses if differences in household structure can be traced...