102,077 research outputs found
Introduction: Urban plots, organizing cities
No full textThis chapter explores the processual nature of urban phenomena, considering the organizational aspects of urban space and the material features of organizations as having a common, heterogeneous ground. A matter of concern is the machinery around which entities are assembled and challenged. Cities are intrinsically indeterminate entities, and they are constantly constructed through controversies where action is distributed among actors and actants that assemble, re-present and translate each other. The issue of public noise in the historic city centre as reported in the local newspapers provided useful insights into this mechanism. The chapter comprises various contributions in which memory has become a major issue within discussion on urban reorganization. Grning's analysis is emblematic in this regard, because it deals with the urban transformation of East German cities, and particularly with the tangle of symbolic and material traces of the city of Leipzig
Measuring liquidity risk in a banking management framework
No full textStresses that recent changes in financial markets have involved the payment system and the banking processes directly devoted to short term forecasting. Proposes that financial flows control systems must be adopted that can measure performance and liquidity risks consistent with the models often used for credit and market risks. © Emerald Group Publishing Limited 2004
New Measures for a New Normal in Finance and Risk Management
No full textSince 1996, the Workshops on Economics with Heterogeneous Interactive Agents (WEHIA) has provided a venue for scholars of different disciplines- economics, psychology, sociology, computer science, engineering, physics- to examine how aggregate properties of economic and financial systems arise from the actions and interactions of heterogeneous agents within the framework of complexity theory (Gallegati and Kirman, 2019). In June 2019, the 24th Workshop on Economic Science with Heterogeneous Interacting Agents (WEHIA) was held at City, University of London, UK. This special issue, focused on “Novel approaches to understand, forecast and mitigate financial risks" includes the main contributions presented at the workshop which were focused specifically on novel approaches to understand the dynamics and governance of financial crises, the refinement of pricing models and the construction of financial portfolios
Asset correlations and bank capital adequacy
No full textThis paper addresses the estimation of confidence sets for asset correlations used in credit risk portfolio models. Research on the estimation of asset correlations using endogenous probabilities of default estimations has focused on the impact of concentration risk factors, such as firm size and industry. The empirical evidence from Italian small- and medium-size companies shows that the assumptions underlying the Basel Committee regulatory capital risk weight function are not substantiated. The regulatory impact is that the capital adequacy is significantly compromised, driving an adverse selection, which favors the worst companies, and transferring the procyclical effects from firms to banks
Sylvilagus gabbi
No full text20. Central American Tapeti Sylvilagus gabbi French: Lapin de Gabb / German: Mittelamerika-Tapeti / Spanish: Conejo de Centroamérica Other common names: Central American Forest Rabbit, Tropical Cottontail Taxonomy. Lepus brasiliensis var. gabbi J. A. Allen, 1877, “Talamanca [= Sipurio, Rio Sixaola, near Caribbean coast], Costa Rica.” Formerly, Sylvilagus gabbi was included in S. brasiliensis, but it recently received full species status due to chromosomal information and distinct morphological characters. Subspecies truei was moved from S. brasiliensis to S. gabbi. Three different karyotypes are recorded for S. gabbi (2n = 36, 2n = 38, and 2n = 40). As taxonomists are still trying to clarify the species differentiation in Sylvilagus, the subspecific taxonomy is not elaborated yet. The original descriptions of the subspecies are often not very helpful as they are mostly based on few exterior characteristics and small numbers of individuals. It has been shown that the variability is clinal in more careful investigations. Hence, the distinction in subspecies might be arbitrary and unreasonable. Two subspecies recognized. Subspecies and Distribution. S. g. gabbi]. A. Allen, 1877 — SE Guatemala, N & E Honduras, N & E Nicaragua, NE, E & S Costa Rica, and Panama. S. g truer]. A. Allen, 1890 — E & SE of Mexico (S Tamaulipas, SE San Luis Potosi, Veracruz, NE Querétaro, NE Hidalgo, NE, E & SE Puebla, N & NE Oaxaca, N & C Chiapas, Tabasco, and SW Campeche), S Belize, and Guatemala (except SE tip). Descriptive notes. Head—body 380-390 mm, tail mean 21 mm, ear 40-50 mm, hindfoot mean 77 mm. No specific data are available for body weight but probably 500-950 g. The Central American Tapeti is small, with short ears, short hindfeet, and extremely short tail. Dorsal color varies from near blackish to blackish brown. Sides and tail are slightly paler than back. Tail is uniformly brown, and ventral fur is whitish, exceptfor dark brownish throat patch. Habitat. Tropical forests including rain, deciduous, and second growth forests near openings and pastures adjoining forested areas from sea level to elevations ofat least 1524 m. A representative rainforest used by the Central American Tapeti in Veracruz had a well-developed canopy of trees up to 50 m high, including breadnut (Brosimum alicastrum, Moraceae) and Nectandra ambigens (Lauraceae), and sparse understory. Food and Feeding. There is no information available for this species. Breeding. Reproductive season of the Central American Tapeti lasts throughout the year in Chiapas, Mexico. Gestation is ¢.28 days, and litter sizes are 3—8 young. Activity patterns. There is no information available for this species. Movements, Home range and Social organization. The Central American Tapeti uses well-worn runways in undergrowth in forest edges. Status and Conservation. The Central American Tapeti has not been assessed as a separate species on The IUCN Red List, but it was formerly considered to be the Common Tapeti (S. brasiliensis), which is classified as Least Concern. The Central American Tapeti is widespread and common. No severe population declines have been reported, but no recent population assessmentis available. A population decline was recorded in Mexico after deforestation, but the Central American Tapeti survives well in second growth forests and pastures. Besides habitat loss due to deforestation, human settlementis a threat to the Central American Tapeti. Impact of tropical deforestation is poorly known. Recommendations are to clarify taxonomy of the Central American Tapeti and evaluate its distribution and population status. Expanded studies on its biology and ecology are needed because most existing data are from a study conducted in Chiapas, Mexico. Bibliography. Allen (1877a), AMCELA, Romero & Rangel (2008c), Angermann (2016), Ceballos (2014), Chapman & Ceballos (1990), Diersing (1981), Guerena-Géandara et al. (1982), Hall (1981), Hershkovitz (1950), Hoffmann & Smith (2005), Lissovsky (2016), Lorenzo & Cervantes (1995), Nelson (1909), Ruedas & Salazar-Bravo (2007).Published as part of Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Leporidae, pp. 107-148 in Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona :Lynx Edicions on page 121, DOI: 10.5281/zenodo.662553
Rischi operativi e piccole banche: the black swan
No full textLe Nuove Disposizioni di vigilanza prudenziale per le banche italiane, diversamente dalla regolamentazione statunitense e dei principali paesi europei, non permettono l'utilizzo delle metodologie avanzate (AMA) per il calcolo del requisito patrimoniale a fronte del rischio operativo alle banche che non soddisfano una soglia dimensionale o una soglia specialistica.Queste banche possono utilizzare unicamente il metodo base, non potendo beneficiare degli sconti patrimoniali associati alle metodologie avanzate.Attraverso l'analisi dei dati di perdita operativa di una banca che non soddisfa le soglie indicate, si dimostra l'esistenza di una penalizzazione patrimoniale ingiustificata generata dalla normativa per tale categoria di intermediari. Le conclusioni scaturiscono dal confronto tra l'esposizione al rischio operativo della banca calcolata attraverso il VaR in un holding period annuale ad un livello di confidenza del 99,9% e il requisito patrimoniale calcolato con il metodo base
Data for: Sex & the City. Are Financial Decisions Driven by Emotions?
No full textThe database is sorted by investor code (CODEINVESTOR) and each investor presents their response to the survey questions in the 25 days.The variables of the emotional framework (ACTIVATION, EXPERIENCED EMOTIONS, EXPECTED EMOTIONS, BADNEWS, SEX , and PLEASURE) follow. The variable GENDER allows to evaluate the responses for the gender of the agents involved.Finally, the variables YSNB, NSYB, YSYB, NSNB allow to highlight the combination of incidental emotions
Ampullina ortoni Gabbi 1870
No full textAmpullina ortoni Gabb, 1870 (Figure 4 (g)) Ampullina ortoni Gabb 1870, 5: 27. Euspira ortoni Gabb 1877, 264, pl. 35, fig. 3. Ampullina paytensis Woods 1922, 77, pl. 7, figs. 3, 4. Ampullina ortoni Gabb. Olsson 1928, 107. Remarks The deep sutural groove on the ampullinid specimen from the Caballas Formation is a diagenetic artefact created by shell material dissolving from between gypsum-filled internal moulds of successive whorls. Thus, the Caballas specimen is not an example of the deeply grooved Ampullinopsis Conrad, 1865, which is considered by MacNeil and Dockery (1984) to have an exclusively Oligocene record in Europe and the Americas. The specimen of Ampullina ortoni has a thin shell, appressed sutures, and no surface spiral sculpture, contrasting in the last named character with the spirally lined Ampullina gabbi Woods, 1922, from the Salina Group of Gonzáles (1976). Olsson (1944) described three new species of Ampullina from the late Campanian beds of the Tortuga Formation in the Sechura Basin of northern Peru: A. breccia Olsson, 1944, A. tortuga Olsson, 1944, and A. cumara Olsson, 1944. The moderately high spire, non-sinuate columella, and elongate elliptical aperture of the Caballas Formation example of A. ortoni most resemble comparable features in A. breccia. Ampullina breccia, however, like the Eocene A. gabbi, has faint spiral threads, which the specimen of A. ortoni lacks, judging from an inspection of a well-preserved external mould from the Caballas Formation. Material UWBM 107627, mostly an internal mould, B8772, L (36.8), W (33.7). Occurrence Upper lower Eocene, Chacra Formation, and middle Eocene, Talara Formation, Talara Basin, northern Peru; Lower Paleogene, Cuenca Member, Caballas Formation, East Pisco Basin, southern Peru.Published as part of DeVries, Thomas J., 2019, Early Paleogene brackish-water molluscs from the Caballas Formation of the East Pisco Basin (Southern Peru), pp. 1533-1584 in Journal of Natural History 53 (25) on page 1554, DOI: 10.1080/00222933.2018.1524032, http://zenodo.org/record/367022
Financial regulations and bank credit to the real economy
No full textWe present a new agent-based model focusing on the linkage between the interbank market and the real economy with a stylised central bank acting as lender of last resort. Using this model we address the tradeoff between stability and economic performance for different structures of the interbank market. We also explore the efficacy of recent regulatory reforms using our richer model. Our results suggest that the effects of regulatory leverage ratios on the banking sector's performance can vary in a complex and non-monotonic way with the state of the economy, the degree of connectivity of the interbank market and the amount of information available to market participants on bank risks
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