Developing economic measures of hospital productivity
Decision analysis of auto emission control
A new interpretation of the “normalizing” or “balancing” factors of gravity-type spatial models
Distinguishing aging, period and cohort effects in longitudinal studies of elderly populations
An evaluation of residential area improvement strategies from the residents' viewpoint
A technique for evaluating alternative population forecasts
Shortages and economic policy
The future of the world economy†
The residential demand for electricity by firm: 1957–1972
Announcement