Measuring mobility with entry and exit events

Camilla Ferretti

Risultato della ricerca: Working paper


This paper faces the problem of measuring mobility in a set of individuals evolving with the time among k states, when entry/exit phenomena are considered. Movements among the states are usually reckoned through the corresponding transition Matrix P and mobility is measured by a given index I(P). We propose here a procedure based on the hypothesis that entering/exiting individuals make the mobility respectively increase/decrease. Such procedure exploitsexistingmobilityindicesformeasuringtheIncumbentsmobility,according with their starting state, and weighs the contribute of every state using the information about the corresponding entry/exit rate. The new index is proved to satisfy properties of boundedness, immobility and perfect mobility
Lingua originaleEnglish
EditoreVita e Pensiero
Numero di pagine24
ISBN (stampa)978-88-343-3382-2
Stato di pubblicazionePubblicato - 2017


  • Mobility index
  • Transition matrix
  • entry/exit event


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