This study examines income elasticity of demand for quantity and quality beef, chicken, and fish in Nigeria. The analysis is based on randomly selected 134 households in Ondo state. The empirical results show that income elasticity of demand for beef, chicken, and fish are inelastic. This...

To measure real income growth over time a price index is needed to adjust for changes in the cost of living. The Consumer Price Index (CPI) is often used for this task but studies from several countries show the CPI is a biased measure of changes in the cost of living, leading to potentially...

By representing a system of budget shares as an approximate factor model we determine its rank, i.e. the number of common functional forms, or factors and we estimate a base of the factor space by means of approximate principal components. We assume that the extracted factors span the same space...