Money, Credit and Default

This paper develops a quantitative model of unsecured debt, default, and money demand for heterogenous agents economies. The paper generates a theory of money demand for the case in which money is a dominate asset that is not needed to carry-out transactions. In this environment holding money helps the agents to smooth their consumption during those periods in which they are excluded from credit markets following a default in their debts. In the model the welfare of the individuals is affected by the inflation rate: high inflation rates preclude individuals of using money as an asset that helps them smooth their consumption profile but low inflation rates tend to make softer the punishment for default making it diffcult to sustain high levels of debt at equilibrium. This two opposite effects imply that in equilibrium the inflation rate that maximizes individuals welfare is positive but not too high.Default, Inflation, Money, Endogenous Borrowing Constraint

Molinero-Fra, Baltasar

Baltasar Fra- Molinero grew up in Northern Spain with his four siblings and his parents. Baltasar Fra- Molinero grew up in Northern Spain with his four siblings and his parents. He attended college in his hometown and out from the watchful eyes of his parents began to explore his sexual identity. Baltasar received a fellowship to study in the United States at the University of Bloomington in Indiana. It was during his first week in the United States that he met his now-husband, Charles. They knew right away that this relationship was forever. Together, they also knew that they wanted a family. Things were not always easy for Baltasar and Charles. They faced homophobia as a gay interracial couple from inside and outside forces but their dedication to themselves and their happiness prevailed. Their career choices separated them for one year and ultimately decided that Maine was their first choice to raise their long-awaited family. The adoption of their first son was quickly followed by their marriage in 2006 in Madrid, Spain with family and friends in attendance. Both Baltasar and Charles are professors at Bates College in Lewiston where they live with their adopted sons, Carlos and Bernardo. There is not a day that goes by that Baltasar and his family are not reminded that they exist in a world where racism is prevalent and dangerous. However, they choose to be open with their children with conversations and use their cultural differences as a strength and not a divide. Please cite as: Querying the Past: LGBTQ Maine Oral History Project Collection, Lesbian, Gay, Bisexual, Transgender, and Queer+ Collection, Jean Byers Sampson Center for Diversity in Maine, University of Southern Maine Libraries. For more information about the Querying the Past: Maine LGBTQ Oral History Project, please contact Dr. Wendy Chapkis.https://digitalcommons.usm.maine.edu/querying_ohproject/1077/thumbnail.jp

Aprovechamiento tradicional de las especies de Physalis en México

En México existe una alta diversidad genética de tomate de cáscara (Physalis spp.) silvestre y cultivado. Con el objetivo de revisar los usos que se le atribuyen a las especies del género Physalis en el país, se recopiló la información contenida en los ejemplares de tomate de cáscara de 15 herbarios mexicanos, incluidos el mexu, encb, chap, chapa, ibug, qmex y ansm. Se registraron los usos generales (comestible, industrial, medicinal, trampa vegetal, ornamental, forrajero, como juguete y ceremonial) asociados a 15 especies, que representan 24% de las 70 reconocidas en el territorio mexicano de las que se utiliza la raíz, el tallo, las hojas, el fruto y el cáliz. Por el número de especies involucradas, destacan los usos comestible y medicinal con 11 especies cada uno. En la medida que se conozcan y difundan los usos de las especies cultivadas y silvestres de Physalis y se apropie el proceso de utilización, existirá mayor aprovechamiento de los recursos del taxón y con ello mayor posibilidad de su conservación. Palabras clave: tomate de cáscara, tomate verde, etnobotánica, uso tradicional, diversidad específica. Traditional

A phylogeny of Setaria (Poaceae, Panicoideae, Paniceae) and related genera based on the chloroplast gene ndhF

The genus Setaria is the largest genus in the so-called bristle clade, a monophyletic group of panicoid grasses distinguished by the presence of sterile branches, or bristles, in their inflorescences. The clade includes both foxtail millet and pearl millet, the latter an important cereal crop in dry parts of the world. Other members of the clade are weeds that are widespread agricultural pests. Previous molecular phylogenetic studies have suggested that Setaria might not be monophyletic but did not have a large enough sample of species to test this rigorously. In addition, taxonomic studies have suggested a close relationship between Setaria and Paspalidium, with some authors combining them into a single genus, but molecular studies included too few Paspalidium accessions for a meaningful conclusion. Accordingly, we have produced 77 new sequences of the chloroplast gene ndhF for 52 species not in previous analyses. These were added to available sequences for 35 species in 10 genera of the bristle clade and four outgroup taxa. We find that Setaria species fall into several moderately to strongly supported clades that correlate with geography but not with the existing subgeneric classification. Relationships among these clades and among other genera within the bristle clade are unclear. Constraint experiments using the approximately unbiased test reject the monophyly of Pennisetum, Setaria, and Setaria plus Paspalidium, as well as several other groupings, although the test may be overly sensitive and prone to Type I error. The more conservative Shimodaira-Hasegawa test fails to reject monophyly of any of the tested clades.Fil: Kellogg, Elizabeth Anne. University of Missouri; Estados UnidosFil: Aliscioni, Sandra Silvina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Botánica Agrícola; ArgentinaFil: Morrone, Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica Darwinion. Academia Nacional de Ciencias Exactas, Físicas y Naturales. Instituto de Botánica Darwinion; ArgentinaFil: Pensiero, Jose Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias; ArgentinaFil: Zuloaga, Fernando Omar. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Botánica Darwinion. Academia Nacional de Ciencias Exactas, Físicas y Naturales. Instituto de Botánica Darwinion; Argentin

New species of the Madagascan genus Hovops Benoit, 1968 (Araneae: Selenopidae), with a description of the H. madagascariensis male and an identification key

Hovops Benoit is a heterogeneous genus of selenopid spiders represented by six known species endemic to Madagascar. After examining sizeable collections of Selenopidae from the Afrotropical Region especially, from Madagascar, we here propose new diagnostic characters for Hovops and describe three new species: H. betsileo sp. n. (both sexes) from Toamasina Province, H. lidiae sp. n. (both sexes) from Fianarantsoa Province, and H. merina sp. n. (female only) from Antananarivo Province. The male of H. madagascariensis (Vinson) is described for the first time, and new records of this species are also provided. An identification key to the species in this genus is proposed.Hovops Benoit es un género heterogéneo de arañas selenópidas representado hasta la fecha por unas seis especies conocidas y endémicas de Madagascar. Después de revisar una gran cantidad de material de Selenopidae de la región Afrotropical y, en especial de Madagascar, nos permite proponer nuevos caracteres diagnósticos para este género y describir tres nuevas especies para la ciencia: H. betsileo sp. n. (ambos sexos) de la provincia Toamasina, H. lidiae sp. n. (ambos sexos) de la provincia Fianarantsoa y H. merina sp. n. (sólo la hembra) para la provincia Antananarivo. El macho de H. madagascariensis (Vinson) es descripto por primera vez y también se aportan nuevos registros de distribución para esta especie. Se propone una clave para la identificación de las especies del género.Fil: Corronca, Jose Antonio. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Instituto para el Estudio de la Biodiversidad de Invertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Salta; ArgentinaFil: Rodriguez Artigas, Sandra Mónica. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Instituto para el Estudio de la Biodiversidad de Invertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Salta; Argentin

Patterns, spin-spin correlations and competing instabilities in driven quasi-two-dimensional spin-1 Bose-Einstein condensates

We analyze the formation of transient patterns and spin-spin correlations in quasi-two-dimensional spin-1 homogeneous Bose-Einstein condensates subjected to parametric driving of $s$-wave scattering lengths. The dynamics for an initial ferromagnetic phase is identical to that of a scalar condensate. In contrast, intriguing dynamics emerges for an initial polar state. For instance, we show that competition exists between density patterns and spin-mixing dynamics. Dominant spin-mixing dynamics lead to a gas of polar core vortices and anti-vortices of different spin textures. The density modes of the Bogoliubov spectrum govern the wavenumber selection of Faraday patterns. The spin modes determine the vortex density and the spatial dependence of spin-spin correlation functions. When the density patterns outgrow the spin-mixing dynamics, the spin-spin correlations decay exponentially with a correlation length of the order a spin healing length; otherwise, they exhibit a Bessel function dependence. Strikingly, competing instabilities within density and spin modes emerge when both scattering lengths are modulated at different frequencies and appropriate modulation amplitudes. The competing instability leads to a superposition of density patterns or correlation functions of two distinct wavelengths. Our studies reveal that fine control over the driven dynamics can be attained by tuning interaction strengths, quadratic Zeeman field, driving frequencies, and amplitudes.Comment: 11 pages, 13 figure

Energy-aware Randomized Neighbor Discovery Protocol based on Collision Detection in Wireless Ad Hoc Networks

[EN] In wireless ad hoc networks, neighbor discovery is necessary as an initial step. In this work we present LECDH (Low Energy Collision Detection Hello), an energy-aware randomized handshake-based neighbor discovery protocol for static environments. We carried out simulations through Castalia 3.2 simulator and compared LECDH with an existing protocol EAH (Energy Aware Hello) used as reference. We conclude that the proposal outperforms the reference protocol both in one-hop and multi-hop environments in terms of Energy consumption, Discovery time, Number of discovered neighbors, Throughput, and Discoveries per packet sent, for high duty cycles. Moreover, for low number of nodes in LECDH, as the duty cycle is reduced the performance is better according to all 5 metrics in both environments. Overall, we found that our proposal follows more realistic assumptions and still allows nodes to succeed at discovering all their neighbors almost with probability 1. Moreover, a qualitative comparison of the reference solution and our proposal is included in this paper.This work has been partially supported by the "Ministerio de Economia y Competitividad" in the "Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia, Subprograma Estatal de Generacion de Conocimiento" within the project under Grant TIN2017-84802-C2-1-P. This work has also been partially supported by European Union through the ERANETMED (Euromediterranean Cooperation through ERANET joint activities and beyond) project ERANETMED3-227 SMARTWATIR. This work has also been partially founded by the Universitat Politecnica de Valencia through the post-doctoral PAID-10-20 program.Sorribes, JV.; Peñalver Herrero, ML.; Jimenez, JM.; Sendra, S. (2022). Energy-aware Randomized Neighbor Discovery Protocol based on Collision Detection in Wireless Ad Hoc Networks. Mobile Networks and Applications (Online). 28:31-48. https://doi.org/10.1007/s11036-022-01995-731482