Which of the following individuals first discovered the relationship between unemployment and inflation?

Does the short-run Phillips curve have a positive or negative slope? Explain how this slope is derived

What will be an ideal response?

If a firm changed its fringe benefit program so that no employee suffered a loss in benefits and some employees enjoyed an increase in benefits, then

a. this could not be a Pareto improvement b. the firm's policies are economically efficient c. this could be a Pareto improvement d. the firm's policies are fair e. the firm is losing money