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I develop a model of firm-to-firm search and matching to show that the impact of falling trade costs on firm sourcing decisions and consumer welfare depends on the relative size of search externalities in domestic and international markets. These externalities can be positive if firms share information about potential matches, or negative if the market is congested. Using unique firm-to-firm transaction-level data from Uganda, I document empirical evidence consistent with positive externalities in international markets and negative externalities in domestic markets. I then build a dynamic quantitative version of the model and show that, in Uganda, a 25% reduction in trade costs led to a 3.7% increase in consumer welfare, 12% of which was due to search externalities.
Hector Perez-Saiz, Mr. Jemma Dridi, Tunc Gursoy, and Mounir Bari
We propose a simple macroeconomic model with input-output sectoral linkages based on Acemoglu et al. (2016) to quantify how changes in aggregate demand due to additional income from household’s remittances propagates through the network of input-output linkages in Sub-Saharan African countries. We first propose two network centrality measures to assess the role of some sectors as key input providers in the economy. Then, we use these measures to quantify the effect of sectoral linkages on sectoral and total output following an increase in remittances inflows. Our empirical results suggest that the effects of remittances on recipient economies increase with the degree of linkages across sectors, which is especially prominent in the case of the financial intermediation sector. Our paper contributes to the emerging macroeconomic literature on the propagation of shocks across sectors and the implications for the whole economy.
International Monetary Fund. External Relations Dept.
La edición en Internet del Boletín del FMI, que se actualiza varias veces a la semana, contiene numerosos artículos sobre temas de actualidad en el ámbito de las políticas y la economía. Consulte las últimas investigaciones del FMI, lea entrevistas y escuche podcasts de los principales economistas del FMI sobre importantes temas relacionados con la economía mundial. www.imf.org/external/pubs/ft/survey/so/home.aspx
International Monetary Fund. External Relations Dept.
L’édition web du Bulletin du FMI est mise à jour plusieurs fois par semaine et contient de nombreux articles sur des questions de politique générale et de politique économique d'actualité. Accédez aux dernières recherches du FMI, lisez des interviews et écoutez des podcasts proposés par les principaux économistes du FMI sur des questions importantes de l'économie mondiale. www.imf.org/external/pubs/ft/survey/so/home.aspx
International Monetary Fund. External Relations Dept.
The Web edition of the IMF Survey is updated several times a week, and contains a wealth of articles about topical policy and economic issues in the news. Access the latest IMF research, read interviews, and listen to podcasts given by top IMF economists on important issues in the global economy. www.imf.org/external/pubs/ft/survey/so/home.aspx
International Monetary Fund
This selected issues paper assesses Kenya's revenue performance, the labor market, and the health of the banking sector. It analyzes Kenya's revenue potential, tax system, and economic activity while increasing revenues; assesses the labor market; and also notes the nonperforming loans (NPLs) in the Kenyan banking sector, especially in public sector banks, and suggests structural measures to reduce cost pressures in the banking sector, lower the NPLs, and reduce the spread between lending and deposit interest rates. It also provides the detailed statistical appendix of Kenya.