NEWS NOTES.

The article offers information on the developments concerning economic studies. The University of Venice will host a conference entitled "Advances in the Analysis of Economic Dynamic Systems," on January 1986. The board of overseers to the Panel Study of Income Dynamics will commission a paper evaluating the dynamic sample design of the Panel Study of Income Dynamics, one of the many large-scale sample surveys that purposely selected its sample cases with known but differing selection probabilities. The 12th International Symposium on Mathematical Programming is scheduled on August 1985 at the Massachusetts Institute of Technology.