Este artigo analisa, através de dados intradiários, coletados minuto a minuto, o efeito do dia de vencimento de contratos de opções de compra de ações sobre a negociação das ações subjacentes negociadas na Bolsa de Valores de São Paulo. Para tanto, foram usadas as séries de opções...

The paper investigates the demographic and socioeconomic determinants of aggregate savings rate of Brazilian families in the recent past. The main results are consistent with the predictions of the theory of the cycle of life/permanent income, properly extended to incorporate institutional and...

We evaluate the efficiency of expenditure in health care provision by comparing various output measures (life expectancy; infant survival rate; years of life recovered from diseases; population; area) from the health system of Brazilian and OECD countries with an expenditure measure (health...

Collective production organizations (cooperatives and associations) can bargain for better prices and lower costs, which increases net revenue, on the one hand, and facilitates the adoption of technologies, on the other. This study seeks to evaluate the impact of family production in Brazil and...

Technological change is a determining factor in economic growth. Since the 1970s, Brazil has become an example in promoting agricultural research. The result was total factor productivity (TFP) growth. What would be the impact of public policies on productivity growth? The present study sought...

In this Discussion Paper, we test forecasting models for inflation and economic activity with macroeconomic data and economic surveys between January 2002 and October 2019 on a monthly basis. Due to the high dimension nature of the set of explanatory variables, we use machine learning (ML)...

The Household Budget Survey from IBGE is the only source of microeconomic data on savings of Brazilian families. As this research has been carried out at intervals of at least five years, it is important to discuss and empirically assess whether the estimated models with latest lagged research...

The paper investigates the demographic and socioeconomic determinants of aggregate savings rate of Brazilian families in the recent past. The main results are consistent with the predictions of the theory of the cycle of life/permanent income, properly extended to incorporate institutional and...

We evaluate the efficiency of expenditure in health care provision by comparing various output measures (life expectancy; infant survival rate; years of life recovered from diseases; population; area) from the health system of Brazilian and OECD countries with an expenditure measure (health...

Collective production organizations (cooperatives and associations) can bargain for better prices and lower costs, which increases net revenue, on the one hand, and facilitates the adoption of technologies, on the other. This study seeks to evaluate the impact of family production in Brazil and...