Working Papers
2023
December 22, 2023
Divided We Fall: Differential Exposure to Geopolitical Fragmentation in Trade
Description: This paper assesses differences in countries’ macroeconomic exposure to trade fragmentation along geopolitical lines. Estimating structural gravity regressions for sector-level bilateral trade flows between 185 countries, we find that differences in individual countries’ geopolitical ties act as a barrier to trade, with the largest effects concentrated in a few sectors (notably, food and high-end manufacturing). Consequently, countries’ exposure via trade to geopolitical shifts varies with their market size, comparative advantage, and foreign policy alignments. Introducing our estimates into a dynamic many-country, many-sector quantitative trade model, we show that geoeconomic fragmentation—modelled as an increased sensitivity of trade costs to geopolitics and greater geopolitical polarization—generally leads to lower trade and incomes. However, emerging markets and developing economies (EMDEs) tend to see the largest impacts: real per-capita income losses for the median EMDE in Asia are 80 percent larger, and for the median EMDE in Africa 120 percent larger, than for the median advanced economy. This suggests that the costs of trade fragmentation could fall disproportionally on countries that can afford it the least.
December 22, 2023
Getting to Know GMMET: The Global Macroeconomic Model for the Energy Transition
Description: This paper presents GMMET, the Global Macroeconomic Model for the Energy Transition, and provides documentation of the model structure, data sources and model properties. GMMET is a large-scale, dynamic, non-linear, microfounded multicountry model whose purpose is to analyze the short- and medium-term macroeconomic impact of curbing greenhouse gas (GHG) emissions. The model provides a detailed description of GHG-emitting activities (related to both fossil fuel and non-fossil-fuel processes) and their interaction with the rest of the economy. To better capture real world obstacles of the energy transition, GMMET features a granular modelling of electricity generation (capturing the intermittency of renewables), transportation (capturing network externalities between charging stations and electric vehicle adoption), and fossil fuel mining (replicating estimated supply elasticities at various time horizons). The model also features a rich set of policy tools for the energy transition, including taxation of GHG emissions, various subsidies, and regulations.
December 22, 2023
Emigration, Business Dynamics, and Firm Heterogeneity in North Macedonia
Description: High emigration rates are a challenge in the Western Balkans. High emigration rates might lead to inadequate skilled labor and affect firm creation, capital formation, and economic convergence. The 2021 North Macedonia census reveals that more than 12.4% of North Macedonians live abroad. To assess the consequences, we estimate the impact of emigration on the number of firms and capital formation. Business dynamics can affect emigration reversely. To alleviate the endogeneity bias, we use a shift-share instrument with the historical diaspora networks and destination countries’ GDP growth rate as a source of exogenous variations. Our results show that (1) In the short run, a 1 percentage point increase in the emigration rate leads to a 2.91% decrease in the number of firms in the area of origin; (2) The long-run effects of emigration on the number of firms are less negative than the short-run impacts; (3) Emigration mainly reduces the number of micro and small firms; (4) Emigration affects the number of firms and capital formation more in the industrial sector than the other sectors, through the skilled labor shortage channel. This paper contributes to the literature on emigration and provides implications and policy considerations for developing countries, where high emigration rates are prevalent.
December 22, 2023
Designing a Presumptive Income Tax Based on Turnover in Countries with Large Informal Sectors
Description: Turnover (sales) is frequently used in developing countries as a presumptive income tax base, to economize on the costs of tax administration and taxpayer compliance. We construct a simple model where a size threshold separates firms paying turnover tax from those paying profit tax (regular income tax), and where firms have the option of producing in the untaxed, informal sector. The optimal turnover tax rate trades off two policy concerns: reducing informality and avoiding strategic reductions in sales by firms seeking to remain below the threshold for the profit tax. We provide analytical results and calibrate the model to compute the optimal policy using realistic parameter values. The optimal turnover tax rate for countries with large informal sectors is found to be around 2.5% across most scenarios, while the threshold separating the turnover tax regime from profit tax lies for the most part between $65,000 and $95,000. Introducing an optimally designed turnover tax reduces the rate of informality of businesses by about 12 percentage points in the calibrated model.
December 22, 2023
Non-traded Gains From Trade - Selection in the Non-Traded Sector: Evidence from Brazil
Description: We investigate how trade shocks affect the allocation of labor across plants at the local labor market level. Using Brazil’s import liberalization as a quasi-natural experiment, we uncover a new margin for the gains from trade: the reallocation of labor from smaller to larger producers in the non-traded sector. We find that in response to liberalization, larger non-traded producers self-select into importing, expanding as they gain access to inputs from abroad. We then develop a parsimonious model of heterogeneous producers incorporating this mechanism. The theory is consistent with the empirical findings and show that reallocation among non-traded producers is welfare-enhancing. In contrast, this reallocation effect disappears when all nontraded producers make the same importing decision.
December 22, 2023
Inflation Indexation in Public Finances: A Global Dataset on Current Practices
Description: This paper presents a new global dataset on current practices for four budget items in terms of indexation to the price level and other nominal variables. Compiling data from documents of select multilateral organizations, governments, and related literature as well as conducting a survey among IMF country desks of 190 country-members, we show how indexation is internationally applied in (i) personal income tax brackets; (ii) pensions; (iii) social assistance programs; and (iv) public wages. The dataset shows that while indexation policies vary significantly across economies, some trends can be identified. For example, indexation is more common on pension and social grants than on taxes, and falls with the degree of economic development. We further discuss some applications of this new dataset. Those include an accounting exercise illustrating the impacts of indexation on fiscal outcomes during episodes of inflation surprises; and an analysis of the association between the overall degree of indexation combining the four budget items and inflation persistence.
December 15, 2023
Household Debt and Borrower-Based Measures in Finland: Insights from a Heterogeneous Agent Model
Description: We analyze the effects of borrower-based macroprudential tools in Finland. To evaluate the efficiency of the tools, we construct a heterogeneous agent model in which households endogenously determine their housing size and liquid asset levels under two types of borrowing constraints: (i) a loan-to-value (LTV) limit and (ii) a debt-to-income (DTI) limit. When an unexpected negative income shock hits the economy, we find that a larger and more persistent drop in consumption is observed under the LTV limit compared to the DTI limit. Our results indicate that although DTI caps tend to be unpopular with lower income households because they limit the amount they can borrow, DTI caps are beneficial even on distributional grounds in stabilizing consumption. Specifically, DTI caps mitigate the consumption decline in recessions by restricting high leverage, and thus, they can usefully complement LTV caps.
December 15, 2023
Fiscal Impacts of Climate Disasters in Emerging Markets and Developing Economies
Description: Climate-induced disasters are causing increasingly frequent and intense economic damages, disproportionally affecting emerging markets and developing economies (EMDEs) relative to advanced economies (AEs). However, the impact of various types of climate shocks on output growth and fiscal positions of EMDEs is not fully understood. This research analyzes the macro-fiscal implications of three common climate disasters (droughts, storms, and floods) using a combination of macroeconomic data and comprehensive ground and satellite disaster indicators spanning the past three decades across 164 countries. Across EMDEs, where agriculture tends to be the principal sector, a drought reduces output growth by 1.4 percentage points and government revenue by 0.7 percent of GDP as it erodes the tax bases of affected countries. Meanwhile, likely reflecting limited fiscal space to respond to a disaster, fiscal expenditure does not increase following a drought. A storm drags output growth in EMDEs, albeit with negligible impact on fiscal revenue, but government expenditure increases due to reconstruction and clean-up efforts. We find only limited impact of localized floods on growth and fiscal positions. In contrast, AEs tend to experience negligible growth and fiscal consequences from climate-induced shocks. As these shocks have much more detrimental effects in EMDEs, international support for disaster preparedness and climate change adaptation play a crucial role for these countries to confront climate change.
December 15, 2023
The Macroeconomic Effects of Large Immigration Waves
Description: We propose a novel approach to measure the dynamic macroeconomic effects of immigration on the destination country, combining the analysis of episodes of large immigration waves with instrumental variables techniques. We distinguish the impact of immigration shocks in OECD countries from that of refugee immigration in emerging and developing economies. In OECD, large immigration waves raise domestic output and productivity in both the short and the medium term, pointing to significant dynamic gains for the host economy. We find no evidence of negative effects on aggregate employment of the native-born population. In contrast, our analysis of large refugee flows into emerging and developing countries does not find clear evidence of macroeconomic effects on the host country, a conclusion in line with a growing body of evidence that refugee immigrants are at disadvantage compared to other type of immigrants.
December 15, 2023
How the Brady Plan Delivered on Debt Relief: Lessons and Implications
Description: Rising debt vulnerabilities in low- and middle-income countries have rekindled interest in a Brady Plan-style mechanism to facilitate debt restructurings. To inform this debate, this paper analyzes the impact of the original Brady Plan by comparing macroeconomic outcomes of 10 Brady countries to 40 other emerging markets and developing economies. The paper finds that following the first Brady restructuring in 1990, Brady countries experienced substantial declines in public and external debt burdens and a sharp pick-up in output and productivity growth, anchored by a comparatively strong structural reform effort. The impact of the Brady Plan on overall debt burdens was many times greater than initial face value reductions, indicating the existence of a “Brady multiplier.” Brady restructurings took longer to complete than non-Brady restructurings. Today, similar mechanisms could be helpful in delivering meaningful debt stock reduction when solvency challenges are acute, but Brady-style mechanisms alone would not solve existing challenges in the sovereign debt landscape, including those related to creditor coordination, domestic barriers to economic reforms, and the increased prevalence of domestic debt, among others.