Working Papers
2019
May 23, 2019
Hysteresis in Labor Markets? Evidence from Professional Long-Term Forecasts
Description: We explore the long-term impact of economic booms on labor market outcomes using a novel approach based on revisions to professional forecasts over the past 30 years for 34 advanced economies. We find that when employment rises unexpectedly, forecasters typically raise their long-term forecasts of employment by more than one-for-one and also expect a strong rise in labor force participation, suggesting more persistent effects than is traditionally assumed. Economic booms associated with changes in aggregate demand, when inflation is rising and unemployment falling unexpectedly, also come with persistent long-term effects on expected employment and labor force participation, suggesting positive hysteresis. Our forecast evaluation tests indicate that forecasters are, on average, unbiased in their assessment of these positive, persistent effects.
May 23, 2019
Tax Reforms and Fiscal Shock Smoothing
Description: This paper examines the role of tax policy reforms in enhancing fiscal shock smoothing in a panel of 13 OECD economies during the period 1980-2017. The results suggest that tax reforms, in particular those that broaden the tax base, significantly enhance the ability of fiscal policy to mitigate the impact of growth shocks on disposable income. We find that the magnitude of shock smoothing increases from an average of 2 percent to 3-3½ percent following the reform. The effects are considerably higher for tax base than tax rate changes, and also higher for indirect tax than direct tax changes. The effects are symmetric—that is, the increase in shock smoothing following a reform expanding the tax base (rate) is similar to the decline in shock smoothing after a reform narrowing the tax base (rate). Tax elasticity, collection efficiency, and the progressivity of the tax system are important channels through which tax reforms affect fiscal stabilization.
May 23, 2019
Informality and Gender Gaps Going Hand in Hand
Description: In sub-Saharan Africa women work relatively more in the informal sector than men. Many factors could explain this difference, including women’s lower education levels, legal barriers, social norms and demographic characteristics. Cross-country comparisons indicate strong associations between gender gaps and higher female informality. This paper uses microdata from Senegal to assess the probability of a worker being informal, and our main findings are: (i) in urban areas, being a woman increases this probability by 8.5 percent; (ii) education is usually more relevant for women; (iii) having kids reduces men’s probability of being informal but increases women’s.
May 21, 2019
Internal Capital Markets in Business Groups and the Propagation of Credit Supply Shocks
Description: Using business registry data from China, we show that internal capital markets in business groups can propagate corporate shareholders’ credit supply shocks to their subsidiaries. An average of 16.7% local bank credit growth where corporate shareholders are located would increase subsidiaries investment by 1% of their tangible fixed asset value, which accounts for 71% (7%) of the median (average) investment rate among these firms. We argue that equity exchanges is one channel through which corporate shareholders transmit bank credit supply shocks to the subsidiaries and provide empirical evidence to support the channel.
May 17, 2019
Government Wage Bill Management and Civil Service Reform in the Eastern Caribbean Currency Union
Description: In this study, we assess the size of the government wage bill and employment in the member countries of the Eastern Caribbean Currency Union and their implications for fiscal sustainability and the adequacy of public service delivery. Over the period 2005 to 2015 their wage bill (as a percentage of GDP, government revenues and expenditures) is higher than in other small states notwithstanding recent efforts by governments to make it more manageable. The composition and distribution of employment is sub-optimal and is reflected in skills mismatches contributing to inefficiencies in public service delivery. Using a dynamic fixed-effects panel, we find that wage bill growth reflects the expansion of government activities to speed up economic and social development and that wage bill spending is procyclical in good times but is rigid during downturns. Finally, we identify the main institutional and legal reforms needed to improve wage bill management and public service efficiency.
May 17, 2019
FinTech in Financial Inclusion: Machine Learning Applications in Assessing Credit Risk
Description: Recent advances in digital technology and big data have allowed FinTech (financial technology) lending to emerge as a potentially promising solution to reduce the cost of credit and increase financial inclusion. However, machine learning (ML) methods that lie at the heart of FinTech credit have remained largely a black box for the nontechnical audience. This paper contributes to the literature by discussing potential strengths and weaknesses of ML-based credit assessment through (1) presenting core ideas and the most common techniques in ML for the nontechnical audience; and (2) discussing the fundamental challenges in credit risk analysis. FinTech credit has the potential to enhance financial inclusion and outperform traditional credit scoring by (1) leveraging nontraditional data sources to improve the assessment of the borrower’s track record; (2) appraising collateral value; (3) forecasting income prospects; and (4) predicting changes in general conditions. However, because of the central role of data in ML-based analysis, data relevance should be ensured, especially in situations when a deep structural change occurs, when borrowers could counterfeit certain indicators, and when agency problems arising from information asymmetry could not be resolved. To avoid digital financial exclusion and redlining, variables that trigger discrimination should not be used to assess credit rating.
May 17, 2019
Rethinking Fiscal Policy in Oil-Exporting Countries
Description: We examine the existing fiscal policy paradigm in commodity-exporting countries. First, we argue that its centerpiece—the permanent income hypothesis (PIH)—is not consistent with either intergenerational equity or long-term sustainability in the presence of uncertainty. Policies to achieve these goals need to be more prudent and better anchored than the PIH. Second, we point out the presence of a volatility tradeoff between government spending and wealth and re-assess long-held views on the appropriate fiscal anchors, the vice of procyclicality, and the (im)possibility of simultaneously smoothing consumption and ensuring intergenerational equity and sustainability. Finally, we propose what we call a prudent wealth stabilization policy that would be more consistent with long-term fiscal policy goals, yet relatively simple to implement and communicate.
May 17, 2019
Credit Supply and Productivity Growth
Description: We study the impact of bank credit on firm productivity. We exploit a matched firm-bank database covering all the credit relationships of Italian corporations, together with a natural experiment, to measure idiosyncratic supply-side shocks to credit availability and to estimate a production model augmented with financial frictions. We find that a contraction in credit supply causes a reduction of firm TFP growth and also harms IT-adoption, innovation, exporting, and adoption of superior management practices, while a credit expansion has limited impact. Quantitatively, the credit contraction between 2007 and 2009 accounts for about a quarter of observed the decline in TFP.
May 17, 2019
Pledged Collateral Market's Role in Transmission to Short-Term Market Rates
Description: In global financial centers, short-term market rates are effectively determined in the pledged collateral market, where banks and other financial institutions exchange collateral (such as bonds and equities) for money. Furthermore, the use of long-dated securities as collateral for short tenors—or example, in securities-lending and repo markets, and prime brokerage funding—impacts the risk premia (or moneyness) along the yield curve. In this paper, we deploy a methodology to show that transactions using long dated collateral also affect short-term market rates. Our results suggest that the unwind of central bank balance sheets will likely strengthen the monetary policy transmission, as dealer balance-sheet space is now relatively less constrained, with a rebound in collateral reuse.
May 10, 2019
Strengthening the Monetary Policy Framework in Korea
Description: Adoption of inflation targeting by the Bank of Korea (BOK) in 1998 contributed to low and stable inflation. However, after the global financial crisis (GFC) monetary policy faced more challenging conditions. Inflation slipped below the target range in 2012 and remains below it despite a cut in the target to 2 percent in 2016. Policy also became more complex with the addition of financial stability to the central bank’s mandate. To address these challenges, this paper proposes a two-pronged approach to strengthen the effectiveness with which monetary policy can meet its objectives: first, enhanced communication on how the target will be achieved over the medium-term, building on a forecasting and policy analysis system; and, second, by clarifying the complementary role of macroprudential policy in containing financial stability risks so that monetary policy can focus on the inflation target. Simulation of a macro model calibrated to Korea illustrates how it can be used to provide this greater medium-term focus on achieving the inflation target and strengthen communication.