Rule-Based Forecasting (RBF) is an expert system that uses judgment to develop and apply rules for combining extrapolations. The judgment comes from two sources, forecasting expertise and domain knowledge. Forecasting expertise is based on more than a half century of research. Domain knowledge...

A cultura cafeeira foi e continua sendo de primordial importância para a economiabrasileira. Além de importante fonte de renda para a economia brasileira, o café temdestacada participação nas receitas cambiais, na transferência de renda entre setores e naformação de capital no setor...

Exact optimal paths are calculated for two closed, continuous-time economies with explicit functional forms for utility from consumption, and for production from human-made capital and a non-renewable resource. Features of the first economy are non-linear utility, hyperbolic utility discounting...