[EN] This paper presents the population pyramid dynamics model (PPDM) to study the evolution
of the population pyramid of a determined country or society, deducing as a crucial objective
its exact analytical solution. The ...
Micó, Joan C.; Soler Fernández, David; Sanz, María T.; Caselles, Antonio; Amigó, Salvador(MDPI AG, 2022-05)
[EN] The population pyramids in Europe have changed in the last decades, particularly in Spain, where population aging is observed and implies an increase in the dependency ratio. The present study aims to modify a ...