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

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 …

/methodology/approach – Using keyword persistence, a time-based measure, and keyword dominance, a frequency-based measure, the authors constructed …

Purpose This study aims to analyse the role of persistence in the assessments carried out by sustainability agencies in … analysed if the persistent assessment of sustainability agencies conditions the previous interaction. Findings Persistence of … lack of similarity in the levels of sustainable performance observed among companies can be explained by the persistence …

Purpose – This study aims to investigate the persistence ability of accounting variables, namely, abnormal earnings … data on the sample units to determine the persistence and valuation relevance. Findings – The findings provide evidence on … the construct of persistence and value relevance of earnings and book value of equity in the Indian context. The findings …

authors conclude that the mutual funds fail to outperform the random portfolios. Furthermore, mutual funds show no persistence …

construct confidence intervals that are robust to high persistence in the presence of small sample sizes. The empirical evidence …

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

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 …