O presente trabalho avaliou as características das séries de retornos, normalmenteencontradas em séries financeiras, para dados do mercado de arroz em casca ao produtordo Rio Grande do Sul. Um modelo da classe GARCH (1,1) tipo VaR foi utilizado paraobter previsões da variância condicional e...

We theoretically examine a farmer’s coverage demand with area and individual insurance plans as either separate or integrated options. The individual and area losses are assumed to be imperfectly and positively correlated. With actuarially fair rates, the farmer will fully insure with the...

Commercial rice imports have accounted for approximately 61%, food aid in rice accounted for about 2%, and domestic rice accounted for some 37% per annum of rice consumption in Ghana over the four years between 2000 and 2003. Compared to the 1990s, these figures show a gradual decline in the...

There has been concern about the effectiveness of India's agricultural policy reforms adopted in recent years as part of the overall policy liberalisation process. These concerns have been strengthened by studies of spatial market integration of major agricultural commodity markets, such as the...

Historically, black pepper has been a highly tradable commodity; its domesticprice, production as well as profitability are highly influenced by itsinternational prices. In 2003-04, the domestic prices of black pepper plungeddown to Rs 74/kg from a peak of Rs 215/kg in 1999-2000. The study...

The Arkansas Global Rice Model is based on a multi-country statistical simulation andeconometric framework. The model consists of six sub regions. These regions are the U.S., South Asia,North Asia and the Middle East, the Americas, Africa and Europe. Each region comprises of severalcountries and...