Underdeclarations Are Typical When Alcohol, Tobacco and Gambling Consumptions Are Questioned in Surveys. Recent Surveys on Expenditures on Lotteries Have Similar Problems: the Declared Expenditures Equal Between 60 to 65 Percent of the Revenues of the Various State-Run Lottery Entreprises. by...

School Effectiveness Is a Perennial Question in the Literature of the Economics of Education. in This Paper, We Used a Two-Way Nested-Error Component Educational Production Function Model to Evaluate the Student School Achievement. As for Observable Factors, the Empirical Results Suggest That...