Budget rules and resource booms: A dynamic stochastic general equilibrium analysis

Shantayanan Devarajan, Yazid Dissou, Delfin Go and Sherman Robinson

No 332455, Conference papers from Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project

Abstract: We develop a DSGE model to analyze and derive simple budget rules in the face of volatile public revenue from natural resources in a low-income country like Niger. Our simulation results suggest three policy lessons or rules of thumb. When a resource price change is positive and temporary, the best strategy is to save the revenue windfall in a sovereign fund, and use the interest income from the fund to raise citizens’ consumption over time. This strategy is preferred to investing in public capital domestically, even when private investment benefits from an enhanced public capital stock. The reasons: domestic investment raises the prices of domestic goods, leaving less money for government to transfer to households; public investment is not 100 percent effective in raising output. In the presence of a negative temporary resource price change however, the best strategy is to cut public investment. This strategy dominates other methods such as trimming government transfers to household, which reduces consumption directly, or borrowing which incurs an interest premium as debt rises. In the presence of persistent (positive and negative) shocks, the best strategy is to combine both public investment and saving abroad in a balanced regime that provides a natural insurance against both types of price shocks. The combination of interest income from the sovereign fund, transfers to households, and output growth brought about by public investment presents the best protective mechanism to smooth consumption over time in response to changing resource prices.

Keywords: Financial Economics; Public Economics (search for similar items in EconPapers)
Pages: 37
Date: 2014
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Working Paper: Budget rules and resource booms: a dynamic stochastic general equilibrium analysis (2014)
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