Seminário NOVAFRICA: A folga e o desenvolvimento económico
Na quarta-feira, 9 de outubro, pelas 15h30 (hora de Lisboa), na sala D 008 do campus de Carcavelos da Nova SBE, o Centro NOVAFRICA recebe Dennis Egger da Universidade de Oxford para apresentar o seu trabalho sobre “Slack and Economic Development”
Resumo
Slack — the underutilization of factors of production — varies systematically with economic development. Using novel and detailed measures of the utilization of labor and capital from a large representative sample of firms in rural and urban Kenya, we show that utilization is increasing in firm size, market access, and economic activity. We present a model of firm capacity choice where indivisibility in at least one input is a key driver of slack. We embed the model in spatial general equilibrium, with features characteristics of low-income settings — including many small firms and high transport costs — and show that it rationalizes both the endogenous emergence of aggregate slack in steady-state and large real multipliers. We empirically validate model predictions using reduced-form estimates of the general equilibrium effects of cash transfers from a large-scale RCT in Kenya. This parsimonious model replicates much of the experimental evidence, predicting a large real multiplier of 1.5, driven by expansion in low-utilization sectors and firms, and limited average price inflation. Counterfactual analyses indicate that multipliers are likely to be meaningfully smaller in lower slack settings, such as urban areas. We use the model to revisit the estimation of spatial spillovers in clustered RCTs, and uncover non-trivial missing intercept effects on income and inflation. Additionally, we innovate methodologically by pre-registering key elements of model estimation and validation. The findings suggest that input indivisibilities and slack are key features of developing country settings, and are quantitatively important for macroeconomic dynamics and policies.
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