# data[].attributes.body
Positive production externality:electric cars
Negative production externality：factory which discharge harmful gas into the air
Positive consumption externality：education
Negative consumption externality：cigarette

# data[].attributes.body
Positive Production
Externality: Building a train or bus station, maybe it can provide shelters for some homeless people.
Positive Consumption Externality: funding schools, in order to enable more young kids to be educated.
Negative Production Externality: establishing more chemical plants, it will cause a lot environmental pollution.
Negative Consumption Externality: Drinking excessive alcohol; Smoking cigarettes; Drugs

# data[].attributes.body
positive production: garden with flowers
negative production: factory produce harmful chemicals
positive consumption: education
Negative consumption: cigarette

# data[].attributes.body
positive production externality:An apiary next to the garden
negative production externality: A factory that produces chemical pollution
positive consumption externality:education
negative consumption externality: Smoking endangers others' health

# data[].attributes.body
positive production：plant a small garden that neibours could also enjoy it
Positive consumption: consumption of vaccine enables other people from not getting sick from you
Negative production: the pollutants produced by factories make the fish in the river die
Negative consumption: the consumption of cigarettes. When having cigarettes, people around you are forced to smell the harmful smells of cigarettes

# data[].attributes.body
Positive consumption ex: vaccine for the disease
Positive production ex: education
Negative production ex: sewage
Negative consumption ex:
cigarette

# data[].attributes.body
B

# data[].attributes.body
positive consumption externality: education
positive production externality: deal with sewage
negative production externality: paper
negative consumption externality: cigarette

# data[].attributes.body
negative CE ：cigartte
NPE：negative gas production

# data[].attributes.body
Positive consumption externality: Consumers are buying vaccines.
Negative production externality: Oil factory makes much pollution.
Positive production externality: Electrical cars are produced to reduce the off-gas.
Negative consumption externality: Consumers buy cigarettes and it makes other people feel bad.

# data[].attributes.body
positive consumption externality: education
ngetive consumption externality: cigarettes

positive production externality: public vehicles
nagetive production externality: factories that produce poisonous chemical matters

# data[].attributes.body
Negative production：factory [with sewage]
Negative consumption:
smoking
Positive production:
public transportation
Positive consumption: education

# data[].attributes.body
positive consumption externality：Medicine for viruses, it can keep all the society healthy.
negative consumption externality:  Smoking cigarette produces unhealthy smoke