91 research outputs found

    Impulse responses to a 10% shock to government consumption.

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    Impulse responses to a 10% shock to government consumption.</p

    Computation and data.

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    The coronavirus pandemic has revived interest in the effects of fiscal policy. This paper studies the effects of government spending on default risk in emerging economies. We first build a general equilibrium small open economy model where government spending shocks influence external debt and sovereign bond spreads. We show that external debt piles up and sovereign bond spreads increase following a government spending shock. We then develop VAR evidence based on a panel of 18 countries. We find that in response to a 10% government spending increase, (1) the real effective exchange rate appreciates by 1.0% and the current account to GDP ratio deteriorates by 0.0025 on impact; (2) external debt increases by an average of 3.5% in the year following the shock; and (3) the EMBI Global spread rises by an average of 25 basis points within two years and peaks at 132 basis points 14 quarters after the shock, suggesting a higher sovereign default risk. The empirical results confirm the theoretical predictions from the general equilibrium model.</div

    Impulse responses to the government spending shock.

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    Impulse responses to the government spending shock.</p

    Impulse responses to a 10% shock to government consumption in Latin American countries (left) and European countries (right).

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    Impulse responses to a 10% shock to government consumption in Latin American countries (left) and European countries (right).</p

    Impulse responses to a 10% shock to government consumption in episodes of fixed exchange rates (left) and flexible exchange rates (right).

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    Impulse responses to a 10% shock to government consumption in episodes of fixed exchange rates (left) and flexible exchange rates (right).</p

    Dataset.

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    The coronavirus pandemic has revived interest in the effects of fiscal policy. This paper studies the effects of government spending on default risk in emerging economies. We first build a general equilibrium small open economy model where government spending shocks influence external debt and sovereign bond spreads. We show that external debt piles up and sovereign bond spreads increase following a government spending shock. We then develop VAR evidence based on a panel of 18 countries. We find that in response to a 10% government spending increase, (1) the real effective exchange rate appreciates by 1.0% and the current account to GDP ratio deteriorates by 0.0025 on impact; (2) external debt increases by an average of 3.5% in the year following the shock; and (3) the EMBI Global spread rises by an average of 25 basis points within two years and peaks at 132 basis points 14 quarters after the shock, suggesting a higher sovereign default risk. The empirical results confirm the theoretical predictions from the general equilibrium model.</div

    Parameter values.

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    The coronavirus pandemic has revived interest in the effects of fiscal policy. This paper studies the effects of government spending on default risk in emerging economies. We first build a general equilibrium small open economy model where government spending shocks influence external debt and sovereign bond spreads. We show that external debt piles up and sovereign bond spreads increase following a government spending shock. We then develop VAR evidence based on a panel of 18 countries. We find that in response to a 10% government spending increase, (1) the real effective exchange rate appreciates by 1.0% and the current account to GDP ratio deteriorates by 0.0025 on impact; (2) external debt increases by an average of 3.5% in the year following the shock; and (3) the EMBI Global spread rises by an average of 25 basis points within two years and peaks at 132 basis points 14 quarters after the shock, suggesting a higher sovereign default risk. The empirical results confirm the theoretical predictions from the general equilibrium model.</div

    Metodika počítačové podpory návrhu úchopných mechanických efektorů průmyslových robotů

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    Import 20/04/2006Prezenční výpůjčkaVŠB - Technická univerzita Ostrava. Fakulta strojní. Katedra (354) robototechnik

    Dual Molecular Recognition Leading to a Protein–Polymer Conjugate and Further Self-Assembly

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    Supramolecular conjugation between native protein concanavalin A (ConA) and synthetic polymer PEG (polyethylene glycol) was achieved by dual molecular recognition interactions via a linker, βCD-Man, of which β-cyclodextrin (βCD) and α-mannopyranoside (Man) recognized the adamantane (Ada) end of PEG and lectin ConA orthogonally. Further self-assembly of the resultant supra-conjugates of ConA-PEG was induced by the addition of αCD, which was selectively threaded by PEG chains, leading to nanoparticles in dilute solution or hydrogel at a higher concentration. The moduli of the obtained hydrogel were three magnitudes higher than those of the control sample without ConA, showing the dramatic cross-linking effect of ConA achieved by its rather weak interaction with α-d-mannopyranoside

    Cascade Molecule–Particle–Molecule Self-Assemblies for Fabricating Narrowly Size-Distributed Polymeric Superparticles with a Bicontinuous Nanostructure

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    Broader developments of nanoscience and nanotechnology require complexly but regularly structured nanoparticles whose fabrications in turn pose a great challenge to nanoscience and nanotechnology. In this communication, we report a new and robust method with a clear mechanism for fabricating narrowly size-distributed superparticles with a bicontinuous inner structure. The processes for the fabrication include: molecular self-assembly of a triblock copolymer in its selective solvent into the core–shell–corona micelles, the self-limited aggregation of the micelles (particles) into narrowly size-distributed superparticles constructed by the integrated micelles, and the final molecular self-assembly confined within the superparticles into cylinders that are crowded and interconnected to form the bicontinuous nanostructure; the molecular self-assembly into the micelles, the self-limited aggregation of the particles (i.e., the micelles), and the further molecular self-assembly within the superparticles occurred in a cascade manner
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