36 resultados para Central banking

em Consorci de Serveis Universitaris de Catalunya (CSUC), Spain


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We model systemic risk in an interbank market. Banks face liquidityneeds as consumers are uncertain about where they need to consume. Interbank credit lines allow to cope with these liquidity shocks while reducing the cost of maintaining reserves. However, the interbank market exposes the system to a coordination failure(gridlock equilibrium) even if all banks are solvent. When one bankis insolvent, the stability of the banking system is affected in various ways depending on the patterns of payments across locations. We investigate the ability of the banking industry to withstand the insolvency of one bank and whether the closure ofone bank generates a chain reaction on the rest of the system. Weanalyze the coordinating role of the Central Bank in preventing payments systemic repercussions and we examine the justification ofthe Too-big-to-fail-policy.

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This paper adds some new arguments to the thesis that the responsibility forbanking supervision should be assigned to an agency formally separated bythe Central bank. We also provide some additional evidence on the macroand microeconomic performance of OECD countries whose banking systems areclassified according to the regulatory regime in place. We find that theinflation rate is considerably higher and more volatile in countries wherethe Central bank acts as a monopolist in banking supervision. Besides,although banks seem to be more profitable when Central banks supervise them,they incur into higher costs and rely more on deposits with respect to moresophisticated liabilities as a funding source.The data are not definitively in favor of functional separation. However, we argue that the evolution of financial intermediaries, moral hazard problems and especially cost accountability seem to suggest that separation would be a better solution for industrialized countries.We also critically discuss the current arrangement of financial regulationand supervision in the EMU: our proposal is to establish an independentEuropean System of Financial Supervisors (ESFS) structured similarly to theESCB.

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The aim of this study is to analyze how European integration and, especially, changes in ownership, has affected banking efficiency in Central and Eastern European countries which have recently experimented this process more intensely. Using a stochastic frontier approach (SFA) applied to panel data, we have estimated bank efficiency levels in a sample of 189 banks from 12 countries during the period 2000 to 2008 and we have analyzed the influence of some bank characteristics on these efficiency levels. The results show that European integration has significantly improved the cost efficiency of banks in these countries but profit efficiency has significantly decreased. We have found very small differences between different ownership types and only a very small impact of foreign ownership on cost efficiency, showing that the entry of foreign ownership is not enough to explain the significant variations in banking efficiency after the accession.

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The choice of either the rate of monetary growth or the nominal interest rate as the instrument controlled by monetary authorities has both positive and normative implications for economic performance. We reexamine some of the issues related to the choice of the monetary policy instrument in a dynamic general equilibrium model exhibiting endogenous growth in which a fraction of productive government spending is financed by means of issuing currency. When we evaluate the performance of the two monetary instruments attending to the fluctuations of endogenous variables, we find that the inflation rate is less volatile under nominal interest rate targeting. Concerning the fluctuations of consumption and of the growth rate, both monetary policy instruments lead to statistically equivalent volatilities. Finally, we show that none of these two targeting procedures displays unambiguously higher welfare levels.

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We test hypotheses on the dual role of boards of directors for a sample of large international commercial banks. We find an inverted U shaped relation between bank performance and board size that justifies a large board and imposes an efficient limit to the board’s size; a positive relation between the proportion of non-executive directors and performance; and a proactive role in board meetings. Our results show that bank boards’ composition and functioning are related to directors’ incentives to monitor and advise management. All these relations hold after we control for bank business, institutional differences, size, market power in the banking industry, bank ownership and investors’ legal protection.

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We have compared three cases of payments for water-related environmental services (PES) in Central America, in terms of socioeconomic background, opportunity costs of forest conservation and stakeholders’ perceptions on the conditions of water resources and other issues. We found that, in general, the foregone benefits from land uses alternative to forest cover are larger than the amount paid, which apparently contradicts the economic foundation of PES schemes. A number of possible explanations are explored. The results also suggest that trade-offs between different environmental and social goals are likely to emerge in PES schemes, posing some doubts on their ability to be multipurpose instruments for environmental improvement and rural development. We also found that PES schemes may work as a conflictresolution instrument, facilitating downstream -upstream problem solving, though at the same time they might introduce changes in social perceptions of property rights.

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The relation between agricultural development and rural poverty reduction in six Central Eurasian countries, namely Azerbaijan (South Caucasus) and Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan (Central Asia), is discussed by presenting and analyzing ten propositions. These propositions cover a broad range of issues that relate to rural poverty in this region, such as: the state of income and non-income poverty; the diverse processes of land reform and farm restructuring, and agricultural policy reform; and finally, the institutional and market framework that is needed for dynamic agricultural and rural development. The paper contends that rural poverty is not responding as robustly to rapid economic growth in these countries, and that agricultural growth, in particular in the newly emerging peasant farm sector, is necessary to promote rural poverty reduction.

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Central banks often intervene secretly in the foreign exchange market. This secrecy seems to be at odds with the signalling channel. In this article we will analyse when a central bank intervening in the foreign exchange rate market purely through the signalling channel would prefer to act secretly or publicly. By using a microstructure model, we will show that the consistency of the intervention with fundamentals, the volume of noise trading, the weight given to the effectiveness of intervention and the degree of superior information held by the central bank will influence the decision to intervene secretly or publicly. Keywords: foreign exchange intervention, market microstructure. JEL Classifi…cation: D82, E58, F31, G14.

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The objective of the research is to know the factors that in Spain determine the choice of banking organization. The obtained results indicate that the dimension of the network of branches is the reason more valued. In spite of the increasing symmetry of the Spanish banking market, the preferences of the clients of the savings banks and those of the banks are not absolutely coincident, being the proximity - the main reason for election- much more valued by the former than by the latter. The existence of divergences in the preferences has also been detected according to the region and the typology of city of residence.

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Treball de recerca realitzat per un alumne d’ensenyament secundari i guardonat amb un Premi CIRIT per fomentar l'esperit científic del Jovent l’any 2008. Consisteix en un diccionari informàtic que recull plantes i productes, cadascun amb les seves propietats medicinals i altres usos que se’ls atribueixen popularment i la forma de preparar remeis i aplicar-los per a cada malaltia o afecció. La informació s’ha extret de les entrevistes fetes a informants d’entre 60 i 90 anys del Bages, Berguedà i Solsonès, i es complementa amb un herbari i una mostra de preparacions dels remeis.

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Projecte de recerca elaborat a partir d’una estada a la Université de Toulouse 2 – Le Mirail entre gener i juny del 2007. En concret, l’estada efectuada ha suposat la integració de qui signa aquesta memòria dins l’equip al-Andalus/Hispaniae, dirigit pel professor Philippe Sénac, una de les diverses branques que conformen el grup FRAMESPA d’aquella universitat, unitat de recerca adscrita al CNRS (UMR 5136). El títol proposat per al contingut de la recerca en la sol•licitud presentada, Evolució del poblament i organització del territori a la Catalunya interior a l’Alta Edat Mitjana, encapçalava un pla de treball que tenia per objectiu la recopilació i l’anàlisi de dades arqueològiques i textuals que oferissin un escenari a partir del qual establir una seqüència evolutiva en relació a les diferents tendències pel que fa al poblament tardoantic i altmedieval en dues zones diferenciades com són les conques mitjanes dels rius Llobregat i Cardener, a la Catalunya Central, i la capçalera del riu Fluvià, a la Garrotxa. Així, s’han pogut detectar, a partir de la contrastació de les diferents dades, fenòmens diversos que reflecteixen la incidència dels successius canvis històrics a nivell territorial i de poblament.

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Aquest estudi consisteix en un anàlisi exploratori que té per objectiu principal la realització d’una reconstrucció de la temperatura de l’aigua i l’aire del llac Baikal durant els últims 40.000 anys. El treball s’ha dut a terme mitjançant l’ús de les proxys de reconstrucció de la temperatura y la utilització dels mètodes TEX86, MAAT, i la d’aportació de matèria orgànica d’origen terrestre, el BIT, aplicant-les a la mostra VER93-2 st GC-24, extreta pel Baikal Drilling Project a la conca central, amb l’objectiu de fer una aportació de dades paleoclimàtiques per tal d’aconseguir una millora en les interpretacions de futurs esdeveniments climàtics, i d’identificar esdeveniments climàtics sobtats, tals com els Heinrich events i els Youngers Dryas. Abans de la realització de l’anàlisi de les mostres s’ha dut a terme una extrapolació de l’edat en el testimoni, degut a que l’edat del core BDP VER93-2.st.GC-24 havia estat extrapolada fins a 277,5 cm de profunditat i en el present estudi s’ha ampliat l’anàlisi fins als 460 cm. de profunditat. Un cop obtinguts els resultats s’ha realitzat un càlcul de precisió i reproductibilitat per tal de conèixer una estimació quantitativa de la variabilitat de les dades obtingudes en les diferents proxys, en el qual ha estat demostrat una baixa variabilitat de les dades, exceptuant la variabilitat del TEX86 i la precisió del MAAT. Per a la localització dels diferents esdeveniments climàtics donats durant l’Holocè i el Plistocè s’han realitzat anàlisis gràfics dels propis resultats, juntament i en comparació dels resultats realitzats per Escala et al. (r.n.p [resultats no publicats]) en la conca sud, i de l’estudi publicat per Prokopenko et al., en el que s’analitza la presència de diatomees i matèria orgànica l’Atlàntic Nord. Els resultats integrats d’Escala et al.,(r.n.p) i els d’aquest estudi coincideixen en la datació dels diferents esdeveniments, amb alguna variació hipotèticament produïda per l’extrapolació d’edat realitzada en el present estudi i la gran aportació de matèria orgànica en el lloc d’extracció del testimoni per part del riu Selenga. Aquests resultats mostren una possible relació entre els esdeveniments climàtics i la variació de la temperatura de l’aigua.

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We study planar central configurations of the five-body problem where three of the bodies are collinear, forming an Euler central configuration of the three-body problem, and the two other bodies together with the collinear configuration are in the same plane. The problem considered here assumes certain symmetries. From the three bodies in the collinear configuration, the two bodies at the extremities have equal masses and the third one is at the middle point between the two. The fourth and fifth bodies are placed in a symmetric way: either with respect to the line containing the three bodies, or with respect to the middle body in the collinear configuration, or with respect to the perpendicular bisector of the segment containing the three bodies. The possible stacked five-body central configurations satisfying these types of symmetries are: a rhombus with four masses at the vertices and a fifth mass in the center, and a trapezoid with four masses at the vertices and a fifth mass at the midpoint of one of the parallel sides.

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Amb l’objectiu d’identificar els possibles efectes adversos d’una nova molècula antagonista del receptor de la histamina H4 (Compost A) en el sistema nerviós central (SNC), es va realitzar el test més àmpliament emprat per aquest fi: el test anomenat FOB (Functional Observational Battery test) en el qual es fa servir la rata com a model animal d’estudi. L’estudi FOB forma part dels d’estudis principals (Core Battery Studies) de la farmacologia de seguretat requerida per les autoritats reguladores per tal d’iniciar els estudis clínics en humans (ICH Topic S7A: Safety Pharmacology Studies for Human Pharmaceuticals; FDA & EMA). D’altra banda i per tal de complementar aquests estudis principals, es va avaluar el potencial efecte convulsivant del Compost A mitjançant el model de convulsions induïdes per pentilentetrazol en rata. Aquest efecte proconvulsionant ha estat associat de manera puntual als fàrmacs antagonistes dels receptor H1 i de manera particular en la població infantil. L’estudi de les convulsions forma part dels Follow Up Studies recomenats per la ICH S7A. El Compost A en cap de les dosis administrades, en cap dels assaigs realitzats, mostra una activitat depressora o estimulant en el sistema nerviós. Es caracteritza per tant, per primera vegada, part del perfil de seguretat a nivell del SNC d’un fàrmac antagonista selectiu del receptor H4 de la histamina.

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El diagnòstic precoç del càncer de pròstata fins a dia d’avui s’ha servit del tacte rectal, i els valors de PSA per establir quins pacients són sospitosos de patir aquesta afecció. Treballs recents estableixen que proves morfològiques com la ressonància magnètica, i funcionals com l’espectroscòpia ajudarien encara més a discriminar aquests pacients dels sans. En el nostre treball pretenem esbrinar; si l’ús de la ressonància magnètica amb espectroscòpia és igual d’eficient en el cas de que l’eventual càncer es localitzi a la glàndula central.