they are:
- public/private
- primary/secondary/tertiary
what is the structure of these sectors change in developed (1st world) countries over time?
how does it affect business activities? for example, work force, companies, imports/exports
thanks!
jess|||http://en.wikipedia.org/wiki/Economic_se鈥?/a>
http://en.wikipedia.org/wiki/Three-secto鈥?/a>
http://geography.about.com/od/urbanecono鈥?/a>
http://en.wikipedia.org/wiki/Primary_sec鈥?/a>
http://en.wikipedia.org/wiki/Secondary_s鈥?/a>
http://en.wikipedia.org/wiki/Tertiary_se鈥?/a>
http://en.wikipedia.org/wiki/Quaternary_鈥?/a>
