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The extinction and persistence of the stochastic SIS epidemic model with vaccination

Zhao, Yanan; Jiang, Daqing; O’Regan, Donal - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 20, pp. 4916-4927

conditions for extinction exponentially and persistence in the mean are established. The results are illustrated by computer …

Persistent link: https://www.econbiz.de/10010742334

A stochastic epidemic model with Crowley-Martin incidence rate and Holling type III treatment

Mahato, Prasenjit; Mahato, Sanat Kumar; Das, Subhashis - In: Decision analytics journal 10 (2024), pp. 1-12

that there is unique positive global solution. We establish the sufficient conditions for disease extinction. The … sufficient condition for disease persistence is also given. The basic reproduction number (R∗) of the deterministic system is …

Persistent link: https://www.econbiz.de/10014541692

Formulating a Prediction Model of Retention Rate in the University of North Carolina System

Ukpabi, Chinasa Victor - 2005

on retention focused on individual student- level variables, which only predict persistence. There is an obvious need to …

Persistent link: https://www.econbiz.de/10009431227

Investigation of the Role of Pre- and Post-admission Variables in Undergraduate Institutional Persistence, using a Markov Student Flow Model

Herrera, Olga Lucia - 2006

persistence risk value using institutional data. (b) The finding that many variables vary in predicting persistence depending on … incorrect to conclude that variables that affect persistence at one academic level do so at all levels. Relevant to the specific … predicted changes in the institutional persistence of students. The probabilities obtained can be interpreted as an empirical …

Persistent link: https://www.econbiz.de/10009431268

The diffusion of digital skills across EU regions: Structural drivers and polarization dynamics

Caravella, Serenella; Cirillo, Valeria; Crespi, Francesco; … - 2022

The digital transformation is an important driver of long-run productivity growth and, as such, it has the potential to promote a more inclusive and sustainable growth. However, digital capabilities, crucial to develop and govern new digital technologies, are unevenly distributed across European...

Persistent link: https://www.econbiz.de/10013411424

On the Emergence of Cooperative Industrial and Labor Relations

Cardullo, Gabriele; Conti, Maurizio; Ricci, Andrea; … - 2023

We explore the long run determinants of current differences in the degree of cooperative labor relations at local level. We do this by estimating the causal effect of the medieval communes -that were established in certain cities in Centre-Northern Italy towards the end of the 11th century- and...

Persistent link: https://www.econbiz.de/10013503693

Big brother watches you (even when he's dead): Surveillance and long-run conformity

D'Acunto, Francesco; Schnorpfeil, Philip; Weber, Michael - 2022

Lack of privacy due to surveillance of personal data, which is becoming ubiquitous around the world, induces persistent conformity to the norms prevalent under the surveillance regime. We document this channel in a unique laboratory-the widespread surveillance of private citizens in East...

Persistent link: https://www.econbiz.de/10014000458

Regional incidence and persistence of high-growth firms: Testing ideas from the entrepreneurial ecosystems literature

Coad, Alexander; Domnick, Clemens; Santoleri, Pietro; … - 2023

persistence in their HGF shares, and that the strength in persistence does not increase across the HGFs distribution, which does … not support pathdependency as the main mechanism behind the observed persistence. Overall, we call for a more nuanced …

Persistent link: https://www.econbiz.de/10014471577

Historical legacies and urbanization: Evidence from Chinese concessions

Jin, Gan; Schulze, Günther G. - 2024

Can colonialism affect today's urban outcomes? This paper examines the long-run impact of Concessions - foreign-run enclaves established in the late nineteenth century inside Chinese cities by European settlers for residence and investment purposes. They soon became the new economic hubs of...

Persistent link: https://www.econbiz.de/10014483315

The long-term effect of Western customs institution on firm innovation in China

Jin, Gan; Schulze, Günther G. - 2024

Can historical institutions affect today's firm innovation? We analyze a historical experiment in 1902, when the foreign-run Chinese Maritime Customs Service (CMC), known for its efficient and transparent governance, took over some of the notoriously corrupt Chinese Native Custom stations and...

Persistent link: https://www.econbiz.de/10014483325