This paper surveys the evidence on the effectiveness of monetary transmission in low-income countries. It is hard to come away from this review with much confidence in the strength of monetary transmission in such countries. We distinguish between the ""facts on the ground"" and ""methodological...

We develop an extension of the open economy New Keynesian model in which agents are boundedly rational à la Gabaix (2020). Our setup nests rational expectations (RE) as a special case and it can successfully mitigate many "puzzling" aspects of the relationship between exchange rates and...

In most macroeconomic models, the substitutability between domestic and foreign goods is calibrated using aggregated data. This imposes homogeneous elasticities across goods, and the calibration is only valid under this assumption. If elasticities are heterogeneous, the aggregate...

This paper studies the potential effects of geoeconomic fragmentation (GEF) in the sub-Saharan Africa region (SSA) through quantifying potential long-term economic costs. The paper considers two alternative GEF scenarios in which trade relations are fully or partially curtailed across world...

During the first half of 2008, Sri Lanka witnessed significantly higher inflation than most other emerging Asian countries. Inflation has since declined amid declining world commodity prices and tight monetary policy. Given the sensitivity to global commodity prices, a core inflation measure...

Shocks stemming from Brazil - the large neighbor in South America - have historically been a source of concern for policy-makers in other countries of the region. This paper studies the importance of Brazil’s influence on its neighboring economies, documenting trade linkages over the last...

We examine one of the most important and intriguing puzzles in economics: why it is so hard to find a robust effect of aid on the long-term growth of poor countries, even those with good policies. We look for a possible offset to the beneficial effects of aid, using a methodology that exploits...