Working Papers
2011
October 1, 2011
Do Remittances Reduce Aid Dependency?
Description: Aid has been for decades an important source of financing for developing countries, but more recently remittance flows have increased rapidly and are beginning to dwarf aid flows. This paper investigates how remittances affect aid flows, and how this relationship varies depending on the channel of transmission from remittances to aid. Buoyant remittances could reduce aid needs when human capital improves and private investment takes off. Absent these, aid flows could still drop as remittances may dampen donors' incentive to scale up aid. Concurrently, remittances could be positively associated with aid if migrants can influence aid policy in donor countries. Using an instrumental variable approach with panel data for a sample of developing countries from 1975-2005, the baseline results show that remittances actually increase aid dependency. However, a refined model controlling for the channels of transmission from remittances to aid reveals that remittances lead to lower aid dependency when they are invested in human and physical capital rather than consumed.
October 1, 2011
Risk Sharing and Financial Contagion in Asia: An Asset Price Perspective
Description: This paper assesses financial integration in Asia in terms of risk-sharing benefit versus financial-contagion cost. We construct a new measure of risk sharing based on a term structure model, which allows identification of realized stochastic discount factors. Risk sharing is low in Asia, and varies across time and countries, whereas contagion risks are more significant intra-regionally, and relatively stable over the past decade. An overall tradeoff exists between risk sharing and contagion, but the terms of tradeoffs vary across countries, depending on relative economic fluctuations and inflation differentials. Asia, therefore, can potentially enhance risk sharing without raising contagion risk.
October 1, 2011
Rapid Credit Growth: Boon or Boom-Bust?
Description: Episodes of rapid credit growth, especially credit booms, tend to end abruptly, typically in the form of financial crises. This paper presents the findings of a comprehensive event study focusing on 99 credit booms. Loose monetary policy stances seem to have contributed to the build-up of credit booms across both advanced and emerging economies. In particular, domestic policy rates were below trend during the pre-peak phase of credit booms and likely fuelled macroeconomic and financial imbalances. For emerging economies, while credit booms are associated with episodes of large capital inflows, international interest rates (a proxy for global liquidity) are virtually flat during these periods. Therefore, although external factors such as global liquidity conditions matter, and possibly increasingly so over time, domestic factors (especially monetary policy) also appear to be important drivers of real credit growth across emerging economies.
October 1, 2011
The Policy Interest-Rate Pass-Through in Central America
Description: Several Central American (CADR) central banks with independent monetary policies have adopted policy interest rates as their main instrument to signal their monetary policy stances, often in the context of adopting or transitioning to inflation targeting regimes. This paper finds that the interest-rate transmission mechanism, or the pass-through of the policy rate to market rates, is generally weaker and slower in CADR than in the LA6, the countries selected as benchmarks. A variety of potential factors behind this finding are examined, including the degrees of financial dollarization, exchange rate flexibility, bank concentration, financial sector development, and fiscal dominance. Through panel data analysis, the study suggests that the transmission mechanism can be strengthened by increasing exchange rate flexibility, and, over time, by adopting measures towards reducing financial dollarization, developing the financial sector, and reducing bank concentration.
October 1, 2011
Global Rebalancing: Implications for Low-Income Countries
Description: While global rebalancing will mainly involve structural realignment among major advanced and emerging market economies, it could have significant impact on low-income countries (LICs). Simulations using a global general equilibrium model show that a more balanced global economy would tend to improve the current account balance in LICs with limited impact on domestic output. However, there could be adverse terms of trade effects on some LICs as the prices of manufactured goods rise. On the other hand, such prices increases could provide an impetus to export diversification in many LICs, raising growth in the long run. The output and terms of trade effects would be significantly amplified if structural adjustment is impeded by factor immobility and other rigidities.
October 1, 2011
Making Banks Safer: Can Volcker and Vickers Do it?
Description: This paper assesses proposals to redefine the scope of activities of systemically important financial institutions. Alongside reform of prudential regulation and oversight, these have been offered as solutions to the too-important-to-fail problem. It is argued that while the more radical of these proposals such as narrow utility banking do not adequately address key policy objectives, two concrete policy measures - the Volcker Rule in the United States and retail ring-fencing in the United Kingdom - are more promising while still entailing significant implementation challenges. A risk factor common to all the measures is the potential for activities identified as too risky for retail banks to migrate to the unregulated parts of the financial system. Since this could lead to accumulation of systemic risk if left unchecked, it appears unlikely that any structural engineering will lessen the policing burden on prudential authorities and on the banks.
October 1, 2011
Global Poverty Estimates: A Sensitivity Analysis
Description: Current estimates of global poverty vary substantially across studies. In this paper we undertake a novel sensitivity analysis to highlight the importance of methodological choices in estimating global poverty. We measure global poverty using different data sources, parametric and nonparametric estimation methods, and multiple poverty lines. Our results indicate that estimates of global poverty vary significantly when they are based alternately on data from household surveys versus national accounts but are relatively consistent across different estimation methods. The decline in poverty over the past decade is found to be robust across methodological choices.
October 1, 2011
Limited Information Bayesian Model Averaging for Dynamic Panels with An Application to a Trade Gravity Model
Description: This paper extends the Bayesian Model Averaging framework to panel data models where the lagged dependent variable as well as endogenous variables appear as regressors. We propose a Limited Information Bayesian Model Averaging (LIBMA) methodology and then test it using simulated data. Simulation results suggest that asymptotically our methodology performs well both in Bayesian model averaging and selection. In particular, LIBMA recovers the data generating process well, with high posterior inclusion probabilities for all the relevant regressors, and parameter estimates very close to their true values. These findings suggest that our methodology is well suited for inference in short dynamic panel data models with endogenous regressors in the context of model uncertainty. We illustrate the use of LIBMA in an application to the estimation of a dynamic gravity model for bilateral trade.
October 1, 2011
Inflation Targeting and Monetary Policy Transmission Mechanisms in Emerging Market Economies
Description: In this paper we empirically examine the operation of the traditional Keynesian interest rate channel of the monetary policy transmission mechanism in five potential inflation targeting economies in the MENA region and compare it with fourteen inflation targeting (IT) emerging market economies (EMEs) using panel data analysis. Contrary to some existing studies, our empirical results suggest that private consumption and investment in both groups of countries are sensitive to movements in real interest rates. Moreover, we find that the adoption of IT did not significantly alter the operation of the interest rate channel in IT EMEs. Also, the interest rate elasticities of private consumption and private investment vary with the level of development of the domestic financial market. Finally, capital account liberalization have opposite effects on private consumption and private investment in the two groups of countries.
October 1, 2011
Targets, Interest Rates, and Household Saving in Urban China
Description: This paper studies a panel of China's provinces over the period 1996-2009 during which urban household saving rates increased from 19 percent of disposable income to 30 percent. It finds that the increase in urban saving rates is negatively associated with the decline in real interest rates over this period. This negative association suggests that Chinese households save with a target level of saving in mind. When the return to saving declines (increases), it becomes more difficult (easier) to meet a target and households increase (lower) their saving out of current disposable income to compensate. The results are robust across specifications and to the inclusion of additional variables. A main policy implication is that an increase in real deposit rates may help lower household saving and boost domestic consumption.