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Testing the rank of Engel curves with endogenous expenditure
(1999)
We find that the endogeneity of consumer expenditure tends to increase the estimated rank of Engel curves. This result, based on nonparametric procedure, is in line with previous results obtained in the context of parametric ...
Age effects on consumer demand: An additive partially linear regression model
(2002)
An additive partially linear regression model is used to estimate non-parametrically the effects of total expenditure and age in the context of Engel curves and to investigate the specification and welfare interpretation ...
Nesting quadratic logarithmic demand systems
(2002)
We propose a new generalised rank-3 demand system which nests all known (and new) rank-3 and rank-2 demand systems derived from the Quadratic Logarithmic (QL) cost function. We investigate its statistical adequacy against ...
Estimates of the black economy based on consumer demand approaches
(2004)
We propose a consumer demand system approach to estimating the size of the black economy where alternative hypotheses affecting the empirical results can be tested in a nested framework. This approach allows for the ...
Economic development and the return to human capital: a smooth coefficient semiparametric approach
(2006)
This paper investigates the impact of human capital on the process of economic growth by allowing the contribution of traditional inputs (capital and labour) as well as that of human capital to vary both across countries ...