1. Economic success of a community’s survival without population or income change is not common because

1. the death rate is equal to the birth rate
2. births and immigration are historically higher than the rate of death
3. the rate of death is historically higher than births

2. The main technique(s) used to conduct a regional economic study are

1. economic base studies and multiplier studies
2. input-output studies and multiplier studies
3. economic base studies and input-out studies

3. The most important long-term influence on a community’s population is its basic or export

1. Supply
2. Employment
3. demand