Economic growth generally refers to GDP growth. The studies on the link between growth and poverty dynamic (Datt and Ravallion, 1992; Kakwani, 1997; Shorrocks, 1999) measure growth by mean household per capita expenditures. Furthermore, many countries experience at the same time economic growth and growing poverty. It is therefore important to establish a link between these two types of growth. This key link allows a formal shift from macroeconomic growth (GDP growth) to mean per capita household expenditure growth.
The purpose of this paper is to discuss the link between macroeconomic growth and mean per capita household expenditure growth with the evidence drawn from Burkina Faso data. The paper also analyzes the impact of sectoral growth on poverty using Shapley value-based decomposition approach. National Accounts consumption - which is smaller - gives greater poverty incidences for 1994 and 1998 compared to the incidence from the surveys' consumption. An annual 3.99% increase in real per capita consumption based on the survey gives a 13.37% decrease in poverty incidence, while a 6.59% annual growth in GDP yields only 6.59% decrease in poverty incidence. Agricultural sector growth accounts for at least 80% of the decline in poverty incidence, gap and severity.