Working Papers
2022
January 28, 2022
Monetary Policy Frameworks: An Index and New Evidence
Description: We provide a multidimensional characterization of monetary policy frameworks across three pillars: Independence and Accountability, Policy and Operational Strategy, and Communications (IAPOC). We construct the IAPOC index by analyzing central banks’ laws and websites for 50 advanced economies, emerging markets, and low-income developing countries, from 2007 to 2018. Due to its scope and granularity, our index provides a holistic view of monetary policy frameworks which goes beyond existing measures of transparency or independence, as well as monetary policy or exchange rate regime classifications. Comparing the IAPOC index across countries and over time, we find that monetary policymaking is varied, fast-changing, and eclectic across the Policy and Operational Strategy and Communications pillars, especially in emerging markets and low-income developing countries.
January 28, 2022
Usability of Bank Capital Buffers: The Role of Market Expectations
Description: Following the COVID shock, supervisors encouraged banks to use capital buffers to support the recovery. However, banks have been reluctant to do so. Provided the market expects a bank to rebuild its buffers, any draw-down will open up a capital shortfall that will weigh on its share price. Therefore, a bank will only decide to use its buffers if the value creation from a larger loan book offsets the costs associated with a capital shortfall. Using market expectations, we calibrate a framework for assessing the usability of buffers. Our results suggest that the cases in which the use of buffers make economic sense are rare in practice.
January 28, 2022
Progress of the Personal Income Tax in Emerging and Developing Countries
Description: Personal Income Tax (PIT) is one of the key sources of revenues in Advanced Economies (AEs) but plays a much more limited role in Low-Income Developing Countries (LIDCs) and Emerging Market Economies (EMEs), both in terms of revenue and redistributive impact. Notwithstanding, this paper shows that LIDCs and EMEs increased their PIT-to-GDP revenue by 110 and 48 percent, respectively, during the 1990-2019 period, a marked improvement in the PIT revenue performance. We find that this rise was driven primarily by economic developments and to a lesser extent by changes in the design of PIT systems. We also find that LIDCs that improved their tax-to-GDP ratios relied on a broader set of tax instruments and not exclusively on the PIT, suggesting that a successful revenue mobilization strategy of developing countries requires a comprehensive approach covering a wider range of taxes. Finally, using a newly assembled dataset of PIT characteristics of 157 countries over the 2006-2018 period, we estimate a novel redistribution index of the PIT in LIDCs. We show that the contribution of the PIT to inequality reductions has been significant.
January 28, 2022
E-commerce During Covid: Stylized Facts from 47 Economies
Description: We study e-commerce across 47 economies and 26 industries during the COVID-19 pandemic using aggregated and anonymized transaction-level data from Mastercard, scaled to represent total consumer spending. The share of online transactions in total consumption increased more in economies with higher pre-pandemic e-commerce shares, exacerbating the digital divide across economies. Overall, the latest data suggest that these spikes in online spending shares are dissipating at the aggregate level, though there is variation across industries. In particular, the share of online spending in professional services and recreation has fallen below its pre-pandemic trend, but we observe a longer-lasting shift to digital in retail and restaurants.
January 28, 2022
Inequality in the Spanish Labor Market During the COVID-19 Crisis
Description: We analyze the differential impact of the COVID-19 crisis on the Spanish labor market across population groups, as well as its implications for income inequality. The main finding is that young, less educated, and low skilled workers, as well as women are the most affected by the COVID-19 shock in terms of job loss rates. The differential impacts were especially acute at the height of the pandemic in 2020 and remain robust after taking into account the heterogeneity of sector characteristics. Given that these vulnerable groups were positioned in the lower end of the income distribution before the crisis, we hypothesize that income inequality likely has increased due to the pandemic. Policies aiming at reducing inequality in the labor market need to go beyond measures that target the hardest-hit sectors and support the vulnerable groups more directly.
January 28, 2022
Revisiting the Monetary Transmission Mechanism Through an Industry-Level Differential Approach
Description: We combine industry-level data on output and prices with monetary policy shock estimates for 105 countries to analyze how the effects of monetary policy vary with industry characteristics. Next to being interesting in their own right, our findings are informative on the importance of various transmission mechanisms (as they are thought to vary systematically with the included characteristics). Results suggest that monetary contractions reduce output by more in industries featuring assets that are more difficult to collateralize, consistent with the credit channel, followed by industries producing durables, as predicted by the interest rate channel. The credit channel is stronger during bad times as well as in countries with lower levels of financial development, in line with financial accelerator logic. We do not find support for the cost channel of monetary policy, nor for a channel running via exports. Our database (containing estimated monetary policy shocks for over 170 countries) may be of independent interest to researchers.
January 27, 2022
Fiscal Rules and Fiscal Councils: Recent Trends and Performance during the COVID-19 Pandemic
Description: Adoption of fiscal rules and fiscal councils continued to increase globally over the last decades based on two new global datasets. During the pandemic, fiscal frameworks were put to test. The widespread use of escape clauses was one of the novelties in this crisis, which helped provide policy room to respond to the health crisis. But the unprecedented fiscal actions have led to large and widespread deviations from deficit and debt limits. The evidence shows that fiscal rules, in general, have been flexible during crises but have not prevented a large and persistent buildup of debt over time. Experience shows that deviations from debt limits are very difficult to reverse. The paper also presents evidence on the benefits of a good track record in abiding by the rules. All these highlight the difficult policy choices ahead and need to further improve rules-based fiscal frameworks.
January 21, 2022
The 'Fiscal Presource Curse': Giant Discoveries and Debt Sustainability
Description: This paper investigates the dynamic impact of natural resource discoveries on government debt sustainability. We use a ‘natural experiment’ framework in which the timing of discoveries is treated as an exogenous source of within-country variation. We combine data on government debt, fiscal stress and debt distress episodes on a large panel of countries over 1970-2012, with a global repository of giant oil, gas, and mineral discoveries. We find strong and robust evidence of a ‘fiscal presource curse’, i.e., natural resources can jeopardize fiscal sustainability even before ‘the first drop of oil is pumped’. Specifically, we find that giant discoveries, mostly of oil and gas, lead to permanently higher government debt and, eventually, debt distress episodes, specially in countries with weaker political institutions and governance. This evidence suggest that the curse can be mitigated and even prevented by pursuing prudent fiscal policies and borrowing strategies, strengthening fiscal governance, and implementing transparent and robust fiscal frameworks for resource management.
January 21, 2022
Structural Breaks in Carbon Emissions: A Machine Learning Analysis
Description: To reach the global net-zero goal, the level of carbon emissions has to fall substantially at speed rarely seen in history, highlighting the need to identify structural breaks in carbon emission patterns and understand forces that could bring about such breaks. In this paper, we identify and analyze structural breaks using machine learning methodologies. We find that downward trend shifts in carbon emissions since 1965 are rare, and most trend shifts are associated with non-climate structural factors (such as a change in the economic structure) rather than with climate policies. While we do not explicitly analyze the optimal mix between climate and non-climate policies, our findings highlight the importance of the nonclimate policies in reducing carbon emissions. On the methodology front, our paper contributes to the climate toolbox by identifying country-specific structural breaks in emissions for top 20 emitters based on a user-friendly machine-learning tool and interpreting the results using a decomposition of carbon emission ( Kaya Identity).
January 21, 2022
Tax Policy for Inclusive Growth in Latin America and the Caribbean
Description: This study provides an overview of tax structures in LAC before the COVID-19 pandemic, compares it to OECD countries, and provides recommendations for growth-friendly and inclusive tax policy reforms. LAC countries collect significantly lower tax revenue relative to OECD countries and have tax structures that rely excessively on corporate-income taxes (CIT) while personal-income taxes (PIT) remain largely underutilized. LAC countries could strengthen their PIT to mobilize revenue and improve progressivity by addressing critical design flaws. Possible adverse growth effects could be mitigated by providing incentives to labor force participation and formalization (e.g., through earned-income tax credits). The ongoing global corporate income tax reforms present a great opportunity to reassess thoroughly the CIT in LAC. Specifically, reforms would need to focus on aligning CIT statutory rates with those of other regions—when assessed to be relatively high—to attract investment and alleviate profit shifting, and on broadening the corporate tax base. Value-added taxes (VAT) could be improved by tackling exemptions and reduced rates. Furthermore, while estimates of additional revenue from levying the VAT on the digital economy appear modest, taxing this sector as others in the economy is critical to avoid further tax base erosion.