Pro-Poor Growth (PPG) is the vision of combining high growth rates with poverty reduction. Due to the myriad of possible determinants of growth and poverty a unique theoretical model for guiding empirical work on PPG is absent, though. Bayesian Model Averaging is a statistically robust framework...

This paper extends the Lucas (1978) model of firm formation by taking into account a normalised CES function in the production process. In a general equilibrium framework it is proved that there is an inverse relation between the value of the elasticity of substitution and average firm size....