Wittenberg, Martin(Southern Africa Labour and Development Research Unit, 2009-02)
When asset indices are used in regressions the coefficients obtained are typically difficult to interpret. We show how lower bounds on expenditure effects can be extracted, if the relationship between the assets and ...
Wittenberg, Martin(Southern Africa Labour and Development Research Unit, 2009-01)
We investigate the balance between work (including home production), leisure and personal care (chiefly sleep) within South African households. We use the South African time use survey which enables us to obtain a better ...
Wittenberg, Martin; Collinson, Mark(Southern Africa Labour and Development Research Unit, 2007-11)
South Africa has seen a dramatic decrease in household size over the last decade. In Table 1 we show that over the eight-and-a-half years from October 1995 to March 2004 the average household size has decreased by 20% or ...
Wittenberg, Martin(Southern Africa Labour and Development Research Unit, 2009-10)
We show that the pseudo empirical maximum likelihood estimator can be recast as a calibration estimator. The process of estimating the probabilities pk of the distribution function can be done also in a maximum entropy ...
Wittenberg, Martin(Southern Africa Labour and Development Research Unit, 2009-09)
There are many household surveys, e.g. the Demographic and Health Surveys, that carry a wealth of useful information but in which information of interest to economists, chiefly or missing altogether. In many of these ...
