two countries, highland and lowland, are described by the solow growth model. both countries are identical, except that the rate of labor-augmenting technological progress is higher in highland than in lowland. a. in which country is the steady-state growth rate of output per effective worker higher? b. in which country is the steady-state growth rate of total output higher? c. does the solow growth model predict that the two economies will converge to the same steady state?