2 research outputs found
Describing financial crisis propagation through epidemic modelling on multiplex networks
This paper proposes a novel framework for modelling the spread of financial crises in complex networks, combining financial data, Extreme Value Theory and an epidemiological transmission model. We accommodate two key aspects of contagion modelling: fundamentals-based contagion, where the transmission is due to direct financial linkages, and pure contagion, where a crisis might trigger additional crises due to global effects. We use stock price, geographical location and economic sector data for a set of 398 companies to construct multiplex networks of four layers, on which a susceptible-infected-recovered transmission model is defined, in order to model the spread of financial shocks between companies by accounting for their interconnected nature. By utilizing stock price data for the 2008 and 2020 financial crises, we investigate and assess the effectiveness of our model in forecasting the propagation of financial shocks through the network, where a shock is detected by measuring stock price volatility. The results suggest that the proposed framework is effective in predicting the spread of financial crises. Our findings demonstrate the significance of each layer of the multiplex network structure, which differentiates between various transmission pathways, for predicting the number of affected companies, as well as for company-, sector- or location-specific predictions
Evaluaci贸n del desempe帽o empresarial en una f谩brica de Zapatillas de Puente Piedra -2021
La investigaci贸n tuvo como prop贸sito determinar el beneficio de la evaluaci贸n
del desempe帽o empresarial en una f谩brica de zapatillas, Puente Piedra - 2021, el
estudio se enfoc贸 en un metodolog铆a cualitativa , de tipo fenomenol贸gica, donde se
aplic贸 como t茅cnica la observaci贸n, la entrevista y se emple贸 como instrumento
la gu铆a de entrevista y la ficha de registro, que se aplicaron a tres informantes
claves que luego permiti贸 realizar una triangulaci贸n de la informaci贸n, que arrojo
como resultados que la subcategor铆a de procesos internos est谩n establecidos en
la compa帽铆a, la subcategor铆a de satisfacci贸n de los clientes se encuentran
debilidades ya que no se llevan una evaluaci贸n continua del mismo, por otro lado
la subcategor铆a relaci贸n con los proveedores, la compa帽铆a le hace falta crear mayor
vinculaci贸n entre ellos y por 煤ltimo la subcategor铆a de competencias laborales, los
trabajadores tienen definidas dichas competencias pero hace falta una formaci贸n
continua para su desarrollo. En conclusi贸n, el estudio Permiti贸 comprender
debilidades y fortalezas en temas espec铆ficos como procesos internos, satisfacci贸n
del cliente, relaci贸n con los proveedores y competencias laborales