Working Papers
2016
September 15, 2016
Supervisory Incentives in a Banking Union
Description: We explore the behavior of supervisors when a centralized agency has full power over all decisions regarding banks, but relies on local supervisors to collect the information necessary to act. This institutional design entails a principal-agent problem between the central and local supervisors if their objective functions differ. Information collection may be inferior to that under fully independent local supervisors or under centralized information collection. And this may increase risk-taking by regulated banks. Yet, a “tougher” central supervisor may increase regulatory standards. Thus, the net effect of centralization on bank risk taking depends on the balance of these two effects.
September 15, 2016
Highways to Heaven: Infrastructure Determinants and Trends in Latin America and the Caribbean
Description: Inadequate infrastructure has been widely viewed as a principal barrier to growth and development in Latin America and the Caribbean. This paper provides a comprehensive overview of infrastructure in the region and highlights key areas in which infrastructure networks can be enhanced. The public and private sectors play complementary roles in improving the infrastructure network. Therefore, it is critical to strengthen public investment management processes as well as the regulatory framework, including to ensure an appropriate mix of financing and funding for projects and to address environmental concerns.
September 15, 2016
Spatial Dependence and Data-Driven Networks of International Banks
Description: This paper computes data-driven correlation networks based on the stock returns of international banks and conducts a comprehensive analysis of their topological properties. We first apply spatial-dependence methods to filter the effects of strong common factors and a thresholding procedure to select the significant bilateral correlations. The analysis of topological characteristics of the resulting correlation networks shows many common features that have been documented in the recent literature but were obtained with private information on banks' exposures, including rich and hierarchical structures, based on but not limited to geographical proximity, small world features, regional homophily, and a core-periphery structure.
September 6, 2016
Rebalancing in China—Progress and Prospects
Description: China is transitioning to a greener, more inclusive, more consumer and service based, and less credit-driven economy. This paper defines a framework for assessing rebalancing, reviews progress, and discusses medium-term prospects. External rebalancing has advanced well, while progress on internal rebalancing has been mixed, with substantial progress on the supply side, moderate progress on the demand side, and limited progress on the credit side. Rebalancing on income equality and environment has also been mixed, with the energy intensity of growth falling and labor’s share of income rising, but income inequality and local air pollution remaining very high. Going forward, the high national saving is expected to fall owing to demographic change and a stronger social safety net, while the investment ratio is expected to fall similarly, with increasing competition and profit normalization as growth slows. The service sector will continue to gain importance, helping reduce the carbon intensity of output and increase labor’s share of national income and household consumption. Reducing the credit intensity of growth is likely to progress slowly unless decisive corporate restructuring and SOE reforms are implemented.
August 26, 2016
Unlocking Pakistan’s Revenue Potential
Description: Despite the significant progress in recent years, Pakistan’s tax revenue remains low relative to comparator countries and the tax effort expected for the country’s level of development. In light of the potential endogenity of tax revenue and economic growth, this paper contributes to the literature by developing a novel identification strategy to estimate the short-run and long-run elasticities of tax revenue. The empirical findings indicate that a tax system with low elasticity cannot take full advantage of economic growth. Accordingly, unlocking revenue potential is dependent on broadening the tax base, strengthening administration, and rationalizing tax policy across all levels of the general government.
August 26, 2016
China’s Financial Interlinkages and Implications For Inter-Agency Coordination
Description: China’s financial system has become very large, diversified, and interconnected. This changing financial landscape could potentially produce systemic risks, arising primarily from growing financial interconnectedness. The paper argues that, to address the potential systemic risks, Chinese authorities should further strengthen internal coordination, notably by institutionalizing better information collection and sharing among regulators, as well as enhancing coordinated and comprehensive analysis of systemic risk.
August 26, 2016
Market Frictions, Interbank Linkages and Excessive Interconnections
Description: This paper studies banks' decision to form financial interconnections using a model of financial contagion that explicitly takes into account the crisis state of the world. This allows us to model the network formation decision as optimising behaviour of competitive banks, where they balance the benefits of forming interbank linkages against the cost of contagion. We use this framework to study various market frictions that can result in excessive interconnectedness that was seen during the crisis. In this paper, we focus on two channels that arise from regulatory intervention—deposit insurance and the too big to fail problem.
August 26, 2016
Smoke Screen: Estimating the Tax Pass-Through to Cigarette Prices in Pakistan
Description: This paper estimates the magnitude and speed of tax pass-through across tobacco products at different price points in Pakistan by using a novel dataset of monthly observations on cigarette prices in 50 cities during the period 2004-2015. The pass-through of cigarette taxes to retail prices is found to occur within two months, but is mostly incomplete in magnitude. On average, a one-rupee tax increase is estimated to lead to an increase of only PRs 0.8 in retail cigarette prices. This is driven by the fact that tobacco manufacturers absorb a significant part of the tax increase. For the premium brand, however, I observe full passthrough, indicating possibilities of different demand elasticities across product tiers. These findings are likely to be attributable to competitive market pressures, especially at the budget end of the price spectrum, possibly stemming from changing consumption patterns with greater awareness of health risks as well as the impact of illicit domestic production.
August 26, 2016
Optimal Debt Policy Under Asymmetric Risk
Description: In the paper we show that, most of the time, smooth reduction in the debt ratio is optimal for tax-smoothing purposes when fiscal risks are asymmetric, with large debt-augmenting shocks more likely than commensurate debt reducing shocks. Asymmetric risks are a feature of 200 years of data for the U.S. and the U.K.: rare but recurrent large surges of the debt-to-GDP ratio, followed by very gradual but persistent declines over long periods. More informal evidence from many other countries suggests that asymmetry is a general feature of fiscal shocks. The gradual smooth reduction in the public debt to GDP ratio is not a response to past developments. Instead it is optimal given recurrent fiscal risks and the empirical characteristics of fiscal shocks. The behavior of the debt-to-GDP ratio in the U.K. and the U.S. seems roughly compatible with the prescriptions of the tax-smoothing model.
August 23, 2016
Changing Times for Frontier Markets: A Perspective from Portfolio Investment Flows and Financial Integration
Description: This paper investigates to what extent low-income developing countries (LIDCs) characterized as frontier markets (FMs) have begun to be subject to capital flows dynamics typically associated with emerging markets (EMs). Using a sample of developing countries covering the period 2000–14, we show that: (i) average annual portfolio flows to FMs as a share of GDP outstripped those to EMs by about 0.6 percentage points of GDP; (ii) during years of heightened stress in global financial markets, portfolio flows to FMs dried up like those to EMs; and that (iii) FMs have become more integrated into international financial markets. Our findings confirm that, in terms of portfolio flows, FMs have become more similar to EMs than to the rest of LIDCs and are therefore more vulnerable to swings in global financial markets conditions. Accordingly, it is important to have in place frameworks to strengthen FMs’ resilience to adverse capital flows shocks.