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Author:Mendoza, Enrique G. 

Working Paper
Resource Curse or Blessing? Sovereign Risk in Resource-Rich Emerging Economies

In this paper we document the stylized facts about the relationship between international oil price swings, sovereign risk and macroeconomic performance of oil-exporting economies. We show that even though being a bigger oil producer decreases sovereign risk?because it increases a country?s ability to repay?having more oil reserves increases sovereign risk by making autarky more attractive. We develop a small open economy model of sovereign risk with incomplete international financial markets, in which optimal oil extraction and sovereign default interact. We use the model to understand the ...
Working Papers , Paper 2018-32

Working Paper
Saving Europe?: The Unpleasant Arithmetic of Fiscal Austerity in Integrated Economies

What are the macroeconomic effects of tax adjustments in response to large public debt shocks in highly integrated economies? The answer from standard closed-economy models is deceptive, because they underestimate the elasticity of capital tax revenues and ignore cross-country spillovers of tax changes. Instead, we examine this issue using a two-country model that matches the observed elasticity of the capital tax base by introducing endogenous capacity utilization and a partial depreciation allowance. Tax hikes have adverse effects on macro aggregates and welfare, and trigger strong ...
Working Paper Series , Paper WP-2014-13

Discussion Paper
The syndrome of exchange-rate-based stabilizations and the uncertain duration of currency pegs

This paper shows that some key stylized facts of exchange-rate-based stabilization plans can be explained by the uncertain duration of the plans themselves. Uncertain duration is modeled to reflect evidence showing that devaluation probabilities are higher when the plans are introduced and abandoned than in the period in between. If contingent-claims markets are incomplete, this uncertain duration distortion introduces temporary fiscal cuts with large wealth effects. Investment and employment are also distorted, and the resulting supply-side effects play a critical role. Stabilizations of ...
Discussion Paper / Institute for Empirical Macroeconomics , Paper 121

Working Paper
Distributional Incentives in an Equilibrium Model of Domestic Sovereign Default

Europe?s debt crisis resembles historical episodes of outright default on domestic public debt about which little research exists. This paper proposes a theory of domestic sovereign default based on distributional incentives affecting the welfare of risk-averse debt and non-debtholders. A utilitarian government cannot sustain debt if default is costless. If default is costly, debt with default risk is sustainable, and debt falls as the concentration of debt ownership rises. A government favoring bondholders can also sustain debt, with debt rising as ownership becomes more concentrated. These ...
Working Papers , Paper 16-23

Working Paper
Supply-side economics in a global economy

Recent quantitative studies predict large welfare gains from reducing tax distortions in a closed economy, despite costly transitional dynamics to more efficient tax systems. This paper examines transitional dynamics and gains of tax reforms for countries in a global economy, and provides numerical solutions for international tax competition games. Tax reforms in a global economy cause cross-country externalities through capital flows in response to consumption-smoothing and debt-servicing effects, with taxes on world payments affecting the distribution of welfare gains. Within the class of ...
International Finance Discussion Papers , Paper 507

Working Paper
Do taxes matter for long-run growth?: Harberger's superneutrality conjecture

Harberger's supemeutrality conjecture contends that, although in theory the mix of direct and indirect taxes affects investment and growth, in practice growth effects of taxation are negligible. This paper provides evidence in support of this view by testing the predictions of endogenous growth models driven by human capital accumulation. Theoretical analysis highlights implications of different taxes for growth and investment in these models. The empirical work is based on cross-country regressions and numerical simulations, using a new methodology for estimating aggregate effective tax ...
International Finance Discussion Papers , Paper 511

Conference Paper
Overborrowing, financial crises and ‘macro-prudential’ taxes

We study overborrowing and financial crises in an equilibrium model of business cycles and asset prices with collateral constraints. Private agents in a decentralized competitive equilibrium do not internalize the effects of their individual borrowing plans on the market price of assets at which collateral is valued and on the wage costs relevant for working capital financing. Compared with a constrained social planner who internalizes these effects, they undervalue the benefits of an increase in net worth when the constraint binds and hence they borrow "too much" ex ante. Quantitatively, ...
Proceedings , Issue Oct

Discussion Paper
Rational herd behavior and the globalization of securities markets

This paper shows that globalization of securities markets exacerbates the volatility of capital flows by strengthening incentives for herding behavior. This is a prediction of a mean-variance portfolio optimization model with imperfect information, in which investors acquire country-specific expertise at a fixed cost and incur variable reputational costs. The model produces equilibria in which incentives to confirm rumors decrease with globalization. Simulations based on equity markets data and country credit ratings suggest that herd behavior can induce large capital outflows from emerging ...
Discussion Paper / Institute for Empirical Macroeconomics , Paper 120

Working Paper
Natural Resources and Sovereign Risk in Emerging Economies: A Curse and a Blessing

Emerging economies that are large oil producers have sizable external debt, their country risk rises when oil prices fall, and several of them have defaulted at least once since 1979. Moreover, while oil and non-oil output reduce country risk on impact and in the long-run, oil reserves reduce it marginally on impact but increase it in the long-run. We propose a model of sovereign default and oil extraction consistent with these observations. The sovereign manages oil reserves strategically to make default less painful by altering the value of autarky, and hence its sustainable debt falls. All ...
Working Papers , Paper 2018-32

Working Paper
Optimal Domestic (and External) Sovereign Default

Infrequent but turbulent episodes of outright sovereign default on domestic creditors are considered a ?forgotten history? in macroeconomics. We propose a heterogeneous- agents model in which optimal debt and default on domestic and foreign creditors are driven by distributional incentives and endogenous default costs due to value of debt for self-insurance, liquidity, and risk-sharing. The government?s aim to redistribute resources across agents and through time in response to uninsurable shocks produces a rich dynamic feedback mechanism linking debt issuance, the distribution of government ...
Working Papers , Paper 17-4

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