This is the study of how economic activity is governed within companies, communities and other groups.

VOA: special.2009.10.16

Paul Hanle is president of the Biotechnology Institute, one of the groups that did the study.

VOA: special.2009.10.15

The other study explored whether punishment leads to greater cooperation among groups and individuals.

VOA: special.2009.03.03

The team also looked at two groups among the people in the study.

VOA: special.2009.06.23

They study records and advise the public about how groups use their donations.

VOA: special.2009.11.02

And as each study does more detailed analyses of special groups or a different way of making the measurements, it just makes the scientific basis for this relationship a lot more convincing."

VOA: special.2011.07.27

Dr.Sotsky says some moderately depressed patients could still benefit from antidepressants, but his study showed that many others could do just as well with exercise,talk therapy, support groups or self help.

VOA: standard.2010.01.08