[Forum SIS] Annuncio di seminari

[Anna Gottard]

DiSIA  (Dipartimento di Statistica, Informatica, Applicazioni “G. Parenti”)
Università di Firenze

- SEMINARI -

Mercoledì 18 Maggio 2016 

Primo seminario: ore 12.00

Omar Paccagnella (Department of Statistical Sciences, University of Padua)  terrà il seguente seminario : 

A multilevel Heckman model to investigate financial assets among old people in Europe <http://local.disia.unifi.it/abstract-seminari.php?#134>

Heckman sample selection models are often applied when the variable of interest is observed or recorded only if a (selection) condition applies. This may occur because of unit or item (survey) non-responses or because a specific product or condition is owned by a subsample of units and unobservable components affecting the inclusion in the subsample are correlated with unobservable factors influencing the variable of interest. The latter case may be well represented by the amount invested in financial and/or real assets: it may be observed and studied only if the unit has included that product in its own portfolio. Household portfolios have been widely investigated, particularly among the old people. Indeed, as earnings of the older people typically reflect income pensions, consumption in later life can be supported by spending down financial or real assets. Therefore, wealth is a key measure of the individual socio-economic status in an ageing society. On the one hand, this topic may be addressed to investigate the ownership patterns of financial or real assets and/or their invested amount. On the other hand, the interest may be focused on cross-country comparisons of ownership/amount of the assets. This paper aims at shedding more light on the behaviour of households across Europe by a joint study of their ownership patterns and invested amount in some financial assets (i.e. savings for short-term or long-term investments) among the old population. To this aim, in order to take into account the hierarchical nature of the data (households nested into countries) and the features of the variable of interest (the amount invested in a financial product is observed only if the household owns that asset), a multilevel Heckman model is the suggested methodological solution for the analysis. Such model is applied to data from SHARE (Survey of Health, Ageing and Retirement in Europe), which is an international survey on ageing, collecting detailed information on the socio-economic status of the European old population.

Referente: Leonardo Grilli


Secondo seminario: ore 16.30

Ralf Münnich (Universität Trier)  

Regional poverty measurement in a border region <http://local.disia.unifi.it/abstract-seminari.php?#134>

Statistical outcome from National Statistical Institutes is generally produced using the national data available. For regional policies, however, not solely the information on the subregion might be important but also surrounding information. In general, this is solved using spatial modelling. In case of regions at national borders, the situation becomes more difficult since neighbouring information from other countries, in general, is not available. The presentation focuses on regional poverty measurement using the ARPR in the federal states Rhineland-Palatinate and Saarland on LAU1. Based on an area-level small area model, several approaches to handle the border statistics problem will be presented and discussed.

Referente: Alessandra Petrucci



I seminari saranno tenuti presso l’aula 32 del DiSIA, Viale Morgagni n. 59 - 50134 Firenze.

Tutti gli interessati sono cordialmente invitati a partecipare.
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Anna Gottard
Dipartimento di Statistica Informatica Applicazioni
Università di Firenze
V.le Morgagni 59, Firenze

gottard a disia.unifi.it <mailto:gottard a disia.unifi.it>
http://local.disia.unifi.it/gottard/ <http://local.disia.unifi.it/gottard/>
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