Twin deficit or twin divergence? Fiscal policy, current account, and real exchange rate in the U.S.

In spite of concerns about “twin deficits” (fiscal and the current account deficits) for the United States economy, empirical evidence suggests that “twin divergence” is a more usual feature of the historical data, i.e., when fiscal accounts worsen, the current account improves and vice versa. This paper empirically studies the effects of fiscal policy (government budget deficit shocks) on the current account and the real exchange rate, during the flexible exchange rate regime period. Based on VAR (Vector Auto-Regression) models, we identified “exogenous” fiscal policy shocks after controlling for business cycle effects on fiscal balances. In contrast to the predictions of most theoretical models, the U.S. results suggest that an expansionary fiscal policy shock, or a government budget deficit shock, improve the current account and depreciate the real exchange rate. Increases in private savings and declines in investment contribute to the current account improvement while a nominal exchange rate depreciation, as opposed to a relative price level change, is mainly responsible for the real exchange rate depreciation. The “twin divergence” of fiscal balances and current account balances is also explained by the prevalence of output shocks, i.e. output shocks — more than fiscal shocks — appear to drive the co-movements of the current account and the fiscal balance.     

Monetary and fiscal policy transmission in the Euro-area: evidence from a structural VAR analysis

This paper studies the transmission of monetary and fiscal policy in the Euro-area. To do so, structural VAR models are estimated. First, the EMU countries are considered as an aggregate entity and the estimation results are compared with those for the US and Japan. Attention is also paid to interaction of macroeconomic policies and the effects of shocks in financial markets. As a next step, SVARs are estimated for the individual EMU countries to analyze cross-country differences. It turns out that, compared to the EMU aggregate, individual EU countries react rather differently to monetary and fiscal policy shocks.     

Optimal fiscal policy in a small open economy with limited commitment

We introduce limited commitment into a standard optimal fiscal policy model in small open economies. We consider the problem of a benevolent government that signs a risk-sharing contract with the rest of the world, and that has to choose optimally distortionary taxes on labor income, domestic debt and international transfers. Both the home country and the rest of the world may have limited commitment, which means that they can leave the contract if they find it convenient. The contract is designed so that, at any point in time, neither party has incentives to exit. We define a small open emerging economy as an economy where the limited commitment problem is active in equilibrium. Conversely, a small open developed economy is an economy in which the commitment problem is not active. Our model is able to rationalize some stylized facts about fiscal policy in emerging economies: i) the volatility of tax revenues over GDP is higher in emerging economies than in developed ones; ii) fiscal policy is procyclical in emerging economies; iii) emerging economies may “graduate” from procyclical fiscal policy and adopt countercyclical policies in the long run.     

The COVID-19 pandemic and financial markets in Central Europe: Macroeconomic measures and international policy spillovers

This paper investigates the effects of macroeconomic policy announcements on financial markets in three Central European economies: Czechia, Hungary, and Poland (CE–3). We focus on the unprecedented stabilisation policies implemented from March to December 2020 during the COVID-19 pandemic, including unconventional monetary measures and large stimulus programs. Detailed categories of monetary and fiscal measures are introduced into vector autoregressions with exogenous regressors and dynamic conditional correlations, which we estimate using daily data. This allows us to control for policy spillovers from abroad, as well as global risk factors and pandemic-related variables. We find that, in general, macroeconomic policy measures implemented in the CE–3 countries played an important role in stabilising financial markets during the pandemic. We uncover several notable patterns in the reaction of markets to anti-crisis measures across the region. The impact of the monetary policy announcements on 10-year sovereign bond yields was more substantial than on stock market returns and exchange rate returns. The communication of the unconventional tools proved effective in lowering the bond yields. Interestingly, we document that the effects of non-standard measures for some variables, such as the exchange rate, can be qualitatively different from those resulting from a conventional monetary expansion. Even though the domestic monetary events became more important than the fiscal ones, the latter proved relevant for financial market returns, especially when large-scale immediate fiscal measures and tax deferrals were introduced. We also show that the CE–3 economies were subject to the cross-border transmission of policy announcement effects from the Euro Area and the US, although the magnitude of these effects was smaller than expected and varied across the CE–3 countries.     

Optimal monetary and fiscal policy in a currency union

We lay out a tractable model for the analysis of optimal monetary and fiscal policy in a currency union. The monetary authority sets a common interest rate for the union, whereas fiscal policy is implemented at the country level, through the choice of government spending. In the presence of country-specific shocks and nominal rigidities, the policy mix that is optimal from the viewpoint of the union as a whole requires that inflation be stabilized at the union level by the common central bank, whereas fiscal policy has a country-specific stabilization role, one beyond the efficient provision of public goods.     

Simple fiscal policy rules for small open economies

This paper analyzes the scope for rules-based countercyclical fiscal policy in small open economies where a subset of households is liquidity-constrained. Relative to balanced budget rules, structural surplus rules significantly improve welfare. But they minimize fiscal instrument volatility rather than business cycle volatility. More aggressively countercyclical tax revenue gap rules (strong automatic stabilizers) increase welfare gains by around 50%, with only modest increases in fiscal instrument volatility. If liquidity-constrained households' labor income is independent of raw materials prices, the government should save excess raw materials revenue on their behalf. The best fiscal instruments are transfers, consumption and labor taxes.     

Open Economy Dynamics in a Floating Exchange Rate Developing Country Context

ABSTRACT

This article develops a wavelet-based control model to simulate fiscal, monetary, and real exchange rate scenarios in an open economy developing country with an inflation-targeting regime. We use South African macro data to jointly simulate optimal fiscal and monetary policy under varying scenarios for real exchange rate stability with interest rate parity. As real exchange rate stability increases, the model simulates the effects on the trade balance under both a constant and depreciating real exchange rate. We find that short-term cycle stability problems are somewhat mitigated by allowing the real exchange rate to depreciate.     

Fiscal policy and the recession: The case of Greece

This paper presents an analysis of the implications of Greece’s intense and long-lasting fiscal and external imbalances for the potential efficacy of a discretionary fiscal policy response to the current recession. It argues that, given recent developments in interest rate spreads and the credit markets’ increased sensitivity to risk, the interest rates applicable to the entire amount of Greece’s external debt would tend to be higher with a fiscal expansion than without one. Moreover, it deduces from a simple model that the leakages associated with increased interest payments to foreign creditors could well cancel out any positive multiplier effects generated by a fiscal expansion, resulting in a failure to stimulate growth. The implications of this finding for policy is that Greece should continue to avoid the adoption of a fiscal stimulus package, not only out of respect to its fiscal obligations as an EU member but, ultimately, because such a package would be ineffective as an economic recovery tool. While the analysis focuses on the Greek economy, it may be of relevance to other EU economies suffering from serious macroeconomic imbalances.     

External adjustment in oil exporters: The role of fiscal policy and the exchange rate

After the decline in oil prices, many oil exporters face the need to improve their external balances. Special characteristics of oil exporters make the exchange rate an ineffective instrument for this purpose and give fiscal policy a sizeable role. These conclusions are supported by regression analysis of the determinants of the current account balance and of the trade balance. The results show little or no relationship with the exchange rate and, especially for the less diversified oil exporters, a strong relationship with the fiscal balance or government spending.     

Monetary and fiscal policy interactions in a micro-founded model of a monetary union

This paper analyzes in detail the mechanisms behind fiscal stabilization policy and the role of policy commitment in a micro-founded New-Keynesian model of a two-country monetary union, which is hit by supply shocks. We also explore the determinants of the gains from fiscal stabilization. While monetary policy with identical union members is concerned with stabilizing the union-wide economy, fiscal policy aims at stabilizing inflation differences and the terms of trade. Besides exploring optimal policies, we also consider monetary and fiscal rules. We study these rules both under coordination and non-coordination by the fiscal authorities.     

Monetary and fiscal policy interactions in a micro-founded model of a monetary union

This paper analyzes in detail the mechanisms behind fiscal stabilization policy and the role of policy commitment in a micro-founded New-Keynesian model of a two-country monetary union, which is hit by supply shocks. We also explore the determinants of the gains from fiscal stabilization. While monetary policy with identical union members is concerned with stabilizing the union-wide economy, fiscal policy aims at stabilizing inflation differences and the terms of trade. Besides exploring optimal policies, we also consider monetary and fiscal rules. We study these rules both under coordination and non-coordination by the fiscal authorities.     

Monetary policy and exchange rate overshooting: Dornbusch was right after all

Dornbusch's exchange rate overshooting hypothesis is a central building block in international macroeconomics. Yet, empirical studies of monetary policy have typically found exchange rate effects that are inconsistent with overshooting. This puzzling result has been viewed by some researchers as a “stylized fact” to be reckoned with in policy modelling. However, many of these studies, in particular those using vector autoregressive (VARs) approaches, have disregarded the strong contemporaneous interaction between monetary policy and exchange rate movements by placing zero restrictions on them. In contrast, we achieve identification by imposing a long-run neutrality restriction on the real exchange rate, thereby allowing for contemporaneous interaction between the interest rate and the exchange rate. In a study of four open economies, we find that the puzzles disappear. In particular, a contractionary monetary policy shock has a strong effect on the exchange rate, which appreciates on impact. The maximum effect occurs within 1-2 quarters, and the exchange rate thereafter gradually depreciates to baseline, consistent with the Dornbusch overshooting hypothesis and with few exceptions consistent with uncovered interest parity (UIP).     

股票市场开放条件下的货币政策效应分析

本文探讨了在股票市场开放条件下,股票市场的国际资本流动对货币政策的影响。在开放经济条件下,对在东道国投资的国际投资者来说,如果股票投资比债券投资更重要,那么货币政策比财政政策相对有效的观点难以成立。扩张性货币政策使国内利率下降,但利率下降会增加股票投资的预期收益,这会吸引国际资本流入,从而导致本币升值,因而扩张性货币政策对产出的净影响是不确定的。浮动汇率体制有利于减缓外部冲击。     

Fiscal policy and regional inflation in a currency union

Substantial attention has been devoted to inflation differentials within the European Monetary Union, including suggestions that inflation differentials are a policy issue for national governments. This paper investigates the ability of a region participating in a currency union to affect its inflation differential with respect to the union through fiscal policy. In a two-region general equilibrium model with traded and nontraded goods, lowering the labor income tax rate in response to positive inflation differentials succeeds in compressing inflation differentials. Such policies can lead to higher volatility of domestic inflation while leaving the volatility of real output roughly unchanged. Regional fiscal policies also have spill-over effects on the volatility of union-wide and foreign inflation in our model.     

Twin dollarization and exchange rate policy

This paper develops a small open economy general equilibrium model with nominal rigidities to study twin dollarization in East Asian economies, a phenomenon where firms borrow in US dollars and also set export prices in US dollars. In this model, we endogenize both the currency of liability denomination and the currency of export pricing. We show that a key factor that affects firms' dollarization decisions is exchange rate policy. Twin dollarization is an optimal strategy for all firms when exchange rate flexibility is limited, which implies that a fixed exchange rate regime may lead to an equilibrium with twin dollarization. Furthermore, we find that twin dollarization can reduce the welfare loss caused by the fixed exchange rate regime, as it helps to cushion the economy against domestic nominal risk.     

Monetary policy and wage inequality in South Africa

The distributive consequences of monetary policy have been researched only recently and almost entirely in advanced economies. This paper sheds light on the effect of conventional monetary policy shocks on the wage distribution in South Africa, where inequality – mostly driven by the segmented labour market – remains a large issue. Impulse response functions estimated from local projections show that the wage distribution significantly worsens in response to monetary shocks. Wages in the top half of the distribution, that benefit from unanticipated expansions, are less responsive to surprise contractions, remaining protected by skill-biased technology and strong labour unions.     

The dynamics of fiscal policy in an open economy

This paper extends the work of Blinder and Solow, analyzing the dynamics of fiscal policy, to a small open economy having a fixed exchange rate. The model is developed under the assumption that domestic and foreign bonds are imperfect substitutes. The stationary properties of this system are discussed and it is shown how, in general, equilibrium requires both the government budget to be balanced and the balance of payments on current account to be in equilibrium. The stability of the system is analyzed under two extreme assumptions: zero capital mobility and perfect capital mobility. A significant result of the analysis is to show how the appropriate choice of the policy parameters, describing the mode of deficit financing and sterilization policies, is of central importance to the stability of the model.     

Real exchange rate (RER) as a policy tool for industrial diversification and growth in Africa

Appropriate exchange rate (ER) policies in some Asian and Latin American countries have led to improvement in industrial diversification and growth. The growth ‘miracle’ of the Asian countries centres on the effective use of ER and trade policies, specifically the adoption of depreciation of real exchange rate (RER). However, the case of Africa is different, as the continent is yet to adopt an appropriate ER policy that enhances industrial diversification and growth. Examining the effectiveness of the RER as a policy tool for industrial diversification and growth in 36 African countries, this study applied a dynamic generalised method of moments (GMM) estimation technique to determine how changes in RER affects the growth composition of the three main productive sectors – primary, secondary, and tertiary and their response rates. Our findings suggest that the primary sector leads to appreciation of the RER, while the secondary and tertiary lead to depreciation of the RER. This result has serious policy implication for the Africa continent that has relied so much on the production of primary commodities. Rather than pursue the policy of ER depreciation which affects the primary and secondary sectors, policy shift in favour of the tertiary sector should be highly encouraged.     

Automatic stabilizer feature of fixed exchange rate regimes

This paper shows that countries characterized by a financial accelerator mechanism may reverse the usual finding of the literature — flexible exchange rate regimes do a worse job of insulating open economies from external shocks. I obtain this result with a calibrated small open economy model that endogenizes foreign interest rates by linking them to the banking sector's financial leverage. This relationship renders exchange rate policy more important compared to the usual exogeneity assumption. I find empirical support for this prediction using the Local Projections method. Finally, 2nd order approximation to the model finds larger welfare losses under flexible exchange rate regimes.     

Fluctuations in the foreign exchange market: How important are monetary policy shocks?

We study the effects of U.S. monetary policy shocks on the bilateral exchange rate between the U.S. and each of the G7 countries. We also estimate deviations from uncovered interest rate parity conditional on these shocks. The analysis is based on a structural vector autoregression in which monetary policy shocks are identified through the conditional heteroscedasticity of the structural disturbances. Unlike earlier work in this area, our empirical methodology avoids making arbitrary assumptions about the relevant policy indicator or transmission mechanism in order to achieve identification. At the same time, it allows us to assess the implications of imposing invalid identifying restrictions. Our results indicate that the nominal exchange rate exhibits delayed overshooting in response to a monetary expansion, depreciating for roughly ten months before starting to appreciate. The shock also leads to large and persistent departures from uncovered interest rate parity. Variance-decomposition results indicate that monetary policy shocks account for a non-trivial proportion of exchange rate fluctuations.