Overview of Lesson This lesson is designed to give students more insight into both mathematical and real-world assumptions that can be involved even in what appears to be a simple task: to find the “average household size” for students at their school. The context of this lesson has real-world relevance: it is not only part of the Census at School questionnaire, but is also part of what the Cen...

OBJECTIVE To assess productivity costs incurred by rheumatoid arthritis, comprising paid as well as household productivity costs, from a societal perspective, using different methods. METHODS A questionnaire on productivity, including items of the Health and Labour Questionnaire, was completed by 576 patients with rheumatoid arthritis (mean disease duration seven years). The friction cost (FC...

What level of household income is required so that a household member will have the same level of consumption as when living alone? The answer to this question depends on the extent to which household income is directed towards the consumption needs of the particular person, together with the extent to which there is shared consumption of household goods. This paper proposes a framework which p...

  T he purpose of this study was to examine farm operations cooperation groups in Central Agricultural Zone of Delta State, Nigeria. All the members of the six  selected groups were used for the study. The data which were collected with the use of questionnaire and interview schedule were analyzed with the use of frequency counts, percentages and Tobit regression model. Most of the members we...

Epidemiological studies were undertaken at slaughter-houses, livestock farms, veterinary hospitals andon household buffaloes under climatic conditions of four different districts of Punjab province. Infection ratewas 22.29, 28.33, 17.08 and 12.75%, respectively in slaughter-house buffaloes, livestock farm buffaloes,veterinary hospital buffaloes and household buffaloes. Overall the season wise t...

This paper proposes and analyzes a Social Security reform in which individuals no longer face the OASI payroll tax after, say, age 54 or a career of 34 years, and their subsequent earnings have no bearing on their benefits. We first estimate parameters of a life-cycle model. Our specification includes non-separable preferences and possible disability. It predicts a consumption-expenditure chang...

BACKGROUND Undernutrition is a leading cause of child mortality in developing countries, especially in sub-Saharan Africa. We examine the household and community level socioeconomic and environmental factors associated with child nutritional status in Cameroon, and changes in the effects of these factors during the 1990s economic crisis. We further consider age-specific effects of household eco...

The Peruvian society has achieved significant improvements in terms of lower fertility and mortality over the last forty years leading, on average, to a demographic transition with lower dependency ratios. We analyze the implications of these changes at the micro level by constructing pseudo panels from household level data for Peru. We calculate age, cohort and year effects for variables relat...