• Article  

      Demographic versus expenditure flexibility in Engel curves 

      Lyssiotou, Panayiota Flori; Pashardes, Panos; Stengos, Thanasis (2008)
      We consider the effects of demographic and expenditure variables on consumer demand in a system of Engel curves using a smooth coefficient semiparametric model where the expenditure effects on the budget shares vary ...
    • Article  

      Demographics and demand: Evaluation of alternative functional forms 

      Lyssiotou, Panayiota Flori (2012)
      We evaluate the role of functional form of demographics in demand analysis by proposing the GQL 'unstructured' demographically transformed model which nests the Barten-Gorman demographically modified model and popular ...