Combination of forecasts from survey data is complicated by the frequent entry and exit of individual forecasters which renders conventional least squares regression approaches infeasible. We explore the consequences of this issue for existing combination methods and propose new methods for...

This paper uses a life cycle model to predict the induced entry effects of a reduction in the effective tax rate applied to Social Security Disability Insurance recipients from 100% under the status quo to a 50% tax rate (i.e. $1 dollar benefit reduction for every $2 earned over a disregard...

Models with heterogeneous interacting agents explain macro phenomena through interactions at the micro level. We propose genetic algorithms as a model for individual expectations to explain aggregate market phenomena. The model explains all stylized facts observed in aggregate price fluctuations...