The Labor Market — End of Chapter Problem The number of bank tellers declined from an aver-age of 20 per branch in 1988 to 13 in 2004, as ATMs replaced human tellers. This meant that the cost of running each branch fell. Banks responded by increasing the number of urban bank branches by 43% in the same time period, which increased the total number of bank employees. So ATMs shifted employees' work from routine tasks like deposits and withdrawals towards skills machines cannot provide, such as sales and customer service.
When the use of ATMs became more prevalent, reducing the banks' overall costs, the was dominant. On net, labor and capital would be considered in this industry.

scale effect; complement

Explanation:

When the use of ATMs became more prevalent, reducing the banks' overall costs, the (scale effect) was dominant while on net, labor and capital would be considered (complement) in this industry.

Labor and Capital are regarded as complement because they work alongside each other. The ATM machines can only work with the labor available who operates it. Therefore, they go hand in hand as one can't function without the other.

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;