In the Solow model, if f(k) = 2k0.5, s = 0.25, n = 0.05, and d = 0.2, what is the value of k at equilibrium?

Which of the following offers the best economic justification for subsidizing vaccinations for infectious disease on the basis of efficiency? a. Vaccinations create a positive externality for society because they reduce the chances the scope of epidemics. b. Vaccinations are a type of pollution that increase the chances and the scope of epidemics

c. A politician offering subsidized vaccinations may be able to get more votes from lower income people and get elected. d. None of the answers above are correct.

Shoeleather cost refers to

a. the cost of more frequent price changes induced by higher inflation. b. the distortion in resource allocation created by distortions in relative prices due to inflation. c. resources used to maintain lower money holdings when inflation is high. d. the tendency to expend more effort searching for the lowest price when inflation is high.