This paper uses a dynamic optimization model to quantify the potential welfare gains of hedging against commodity price risk for commodity-exporting countries. We show that hedging enhances domestic welfare through two channels: first, by reducing export income volatility; and second, by...

This paper studies the impact of aid volatility in a two-period model where production may occur with either a traditional or a modern technology. Public spending is productive and "time to build" requires expenditure in both periods for the modern technology to be used. The possibility of a...