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Composition of environmental decision-making networks – a case study in Helsinki, Finland
M.Soc.Sc. Arho Toikka
HERC Seminar Series 22.11.2007
Department of Social Policy, Faculty of Social Sciences
Composition of decision-making networks
In networks of organizations in charge of making policy
decisions and draft policies,
some actors are more
popular negotiation
partners than others.
Why?
The City of Helsinki Environmental Governance Data Set
Based on 70 interviews and archival data
Main interest the Ecological Sustainability Programme of
Helsinki The programme is the environmental strategy of Helsinki
The most important determinator of Helsinki environmental
action
Including three types of variables Network variables
Preference variables
Outcome variables
Modelling the choice of negotiation partners
Exponential Random Graph Modeling ERGM
Possible ties in the network treated as random,
dependent variables in the analysis
Network statistics and actor attributes as independent
variables
Dependence assumptions
Helsinki Environmental Governance Analysis
The network had considerable impact on the final policies
and how different subfields of environmental policy were
emphasized
Influence of a single organization over the final policy was
generated in the network, through the various
partnerships
What made an organization an attractive an sought-after
negotiation partner in environmental policy-making?
Helsinki Environmental Governance Analysis
Hypotheses for partner choice
Network characteristics Well-connected actors are more attractive – you can spread
your message
Less popular actors are more attractive – you have more
direct influence
Actors in tight subgroups are more attractive – you can build
a base of influence
Actor attributes Official status of the organization
Issue area expertise
Helsinki Environmental Governance Analysis
The model to test these hypotheses includes estimates
for the parameters for: Generalized popularity
- alternating-k-stars
Generalized subgroups
- alternating-k-triangles
Expertise
Status popularity
Status homophily
Helsinki Environmental Governance Analysis
Parameter estimate for effect on tie generation
Popularity 0,1545
Subgroups 1,3471
Expertise 0,1999Status popularity -0,1207
Status homophily 0,4678
Conclusion
In the drafting process of environmental policy in Helsinki,
the various organizations involved in drafting the policy
document were free to choose the collaborators in the
process
Contrary to some political science theories, the strongest
effects in partner choice were the building of subgroups
and status similarity, with small effects for expertise,
overall status and popularity