Vita e Pensiero
Assessing dimensions of the city’s reputation
digital
Year:
2021
In social psychology, reputation has been studied with reference to different objects (individuals, brands, cities, etc.) and methodologically, measured discerning between its subdimensions. In this article, city reputation is operationally defined, by using the validated City Reputation Indicators scale...
Free
Analysis of structural break in VAR (k) time series model: a bayesian approach
digital
Year:
2021
Vector autoregressive (VAR) model is the most popular modeling tool in macroeconomics. This study considers a Bayesian framework for VAR(k) model with a structural break in the mean. The structural change problem in VAR is of theoretical and practical importance in reference to the economic time series data...
Free
The evaluation of credit risk using survival models: an application on Italian SMEs
digital
Year:
2021
The financial literature proposed many contributions to measure the credit risk, in this work a survival approach is proposed to reach this purpose. Having available the survival times for each credit line, the choice was oriented to survival models to evaluate the pathological death of the loan...
Free
A statistical assessment on abrupt change and trend analysis of rice production
digital
Year:
2021
The most common method for studying historical data is to use regression methods and predictive modeling on time series data. The parametric methodology for time series data analysis is a customary method when the data are available on a continuous scale. However, most of the time, the data availability may be on a categorical or ordinal scale. Hence, the nonparametric methodology is more rational in handling time series data. This study considers two prominent non-parametric methods, namely Pettitt’s test and Buishand’s range test...
Free
Decomposition by sources, by subpopulations and joint
decomposition by subpopulations and sources of Gini, Bonferroni
and Zenga 2007 inequality indexes
digital
Year:
2021
Recently, the authors have illustrated the decompositions by subpopulations of the Gini (1914), Bonferroni (1930) and Zenga (2007) inequality measures. These decompositions were illustrated by a numerical example involving non-overlapping subpopulations and by a numerical example involving overlapping subpopulations...
Free
Distribution of the ratio of female income over male income
digital
Year:
2021
There is a great discussion concerning the differences between the income of females and males. The purpose of the present study is to estimate the distribution of the ratio of female income over male income. The methodology to study the ratio in exam is based on the distribution of the ratio of two Dagum random variables with three parameters proposed in 2010 by Pollastri and Zambruno...
Income distribution and income inequalities in polish households
digital
Year:
2021
This paper aims to assess the direction of changes in the distribution of per capita income as well as income inequalities in Polish households. The main trends of change were distinguished on the basis of theoretical distributions estimated for 2009-2018. However, a detailed comparative analysis of income distribution and the decomposition of income inequalities by major socio-economic groups was carried out for 2015 and 2018 (before and during the implementation of significant social programmes)...
