In developing countries, labour supply and activity choices are distorted by the existence of labour market imperfections restricting entry to the activity sectors or rationing the worked hours. The presence of decreasing returns to labour in the informal sector is another specific...

In rural areas of LDC, because of the existence of market imperfections, health and nutrition status may depend on the levels of specific agricultural productions and not only on the income level. However, these specific impacts have never been studied. We estimate, from a sequential...

Using panel data from Rwanda, we estimate seasonal transient and chronic poverty indices, for different poverty line, poverty indicators, equivalence scale, and with and without the corrections for price variability and for the sampling scheme. We also estimate sampling standard errors for the...

Little attention has been devoted to the effects of absolute and relative prices variability at local and seasonal levels, for the measurement of living standards in LDCs. In particular, it is not known if a substantial share of welfare or poverty indicators may be the consequence of price...

Most of the data available to economists is observational rather than the outcome of natural or quasi experiments. This complicates analysis because it is common for observationally distinct individuals to exhibit similar responses to a given environment and for observationally identical...