Discussed are the ways in which modern data analysis can increase understanding of complex interrelationships in natural and manmade systems, thus enhancing the rationality of decision-making. Examples are given of predictions made from economic and ecological models. The need for international cooperation on environmental questions is discussed…

Reviews fourteen econometric and forecasting programs for the IBM PC family of computers. The comparison is based on analytical capabilities, cost, operating characteristics, and user-friendliness. Concludes that the programs do not differ enough to provide grounds for rejection of one program in favor of another. Includes names and addresses for…