In a study of amish behavior, a researcher moves into an amish community and lives and works there for a year, participating in the residents' daily lives. this is an example of

Ethnographjy

Explanation:

In a study of Amish behavior, a researcher moves into an Amish community and lives and works there for a year, participating in the residents' daily lives. This is an example of ethnography.

answer; social structure;

in order to keep competitors from increasing or decreasing the prices they may establish, usa in the period of 70s set very democratic price - abut 1 dollar per gasoline so that their offer will be more affordable and attractive.