The modernisation of Swedish households during the twentieth century prompted a considerable productivity growth in household production, which reduced the time input for a fixed volume of routine household work by about 35 per cent 1920-1990. Much of that time was gradually transferred to the...

We consider forward rate rate models of HJM type, as well as more general infinite dimensional SDEs, where the volatility/diffusion term is stochastic in the sense of being driven by a separate hidden Markov process. Within this framework we use the previously developed Hilbert space realization...