How does the determination of wages differ between the Keynesian version of the search friction model and the standard two-sided search model
a) Wages are solely determined by unemployment rates in both models
b) In the Keynesian model, wages are determined by labor force participation, while in the standard model, wages are determined by match efficiency
c) Wages are determined by job vacancies in the Keynesian model, while in the standard model, wages are determined by worker productivity
d) Both models have identical wage determination processes