The answers to qualitative questions put to economic operators can be integrated in standard macro-economic analysis by using a "quantification" procedure chosen among the probabilistic approach, the regression methods or the latent factor approach. The first one is the most commonly used. It is...

This article demonstrates how qualitative data, quantitative data, grading scales and initial structures of statistical data can be organised in a relational way in order to understand the data as a whole, which can overcome the duality that has so far existed between the qualitative and...

What do we know about income and growth in Africa? -- Measuring African wealth and progress -- Facts, assumptions and controversy : lessons from the datasets -- Data for development : a guide to African development statistics -- Conclusion : development by numbers

We use factor analysis to summarize information from various macroeconomic indicators, effectively producing coincident indicators for the Chinese economy. We compare the dynamics of the estimated factors with GDP, and compare our factors with other published indicators for the Chinese economy....