Assume a new technology is created that causes the cost of metal to decrease as the quantity increases. If metal is a major input in the production of automobiles, how is the change in economies of scale for metal from the new technology guaranteed to affect the elasticity of supply for automobiles

The advantage of administering personality tests on employees is that it will allow the employer to know the mindset and personality of the employee. this will allow the employer to at least have an idea as to how the employee works and how his attitude in the workplace. the disadvantage is that it may make the employee a little anxious as to whether he would meet the personality requirements of the employer and whether he would be able to retain the job or not. 

Answer the reduction in economic surplus resulting from not being in competitive equilibrium;