The current commodity boom is a major opportunity for poor countries exportingexhaustible resources such as oil. In the past oil booms were often mismanaged leaving the country with lower long run income. Many countries are now well aware that booms require intricate savings and investment...

We analyze a multi-sector growth model with directed technical change where man-made capital and exhaustible resources are essential for production. The relative profitability of factor-specific innovations endogenously determines whether technical progress will be capital- or...

Purpose – IPv6 is the replacement for the Internet’s incumbent protocol, IPv4. IPv6 adoption is required to allow the Internet to continue to grow; however, there has been almost no uptake since its standardisation in the late 1990s. This paper seeks to explain how this non-adoption may be a...

One critical factor in open pit mining projects is the estimation of the recoverable reserves. The reason for this is that at the valuation stage there is a lack of information about future metal prices and production costs. Consequently, the estimation of the recoverable reserves needs to be...

O objetivo principal deste trabalho foi estimar custos e lucro líquido nas etapas de campo (incluindo a elaboração de cera de origem) do extrativismo da carnaúba. A coleta dos dados ocorreu ao longo dos anos de 2005 e 2006, por meio de entrevistas abertas e observação de campo, ocasião em...

A central problem in estimating per unit costs of production originates from the fact that most farms producemultiple outputs and standard farm-accounting data are only available at the whole-farm level. The seeminglyunrelated regression (SUR) approach is used to estimate per unit production...

Esse artigo avalia a viabilidade econômica da terminação de bovinos em confinamento para o ano de 2008. Dezessete cenários são simulados considerando-se diferentes ganhos de peso vivo diário para 220 animais, machos castrados, ½ Zebu  ½ Holandês, com peso inicial médio de 354 kg,...

This paper analyses the economics of biofuel production and the implications that the accelerating growth in biofuel production in many countries could have on agricultural markets. It shows that production costs of ethanol and biodiesel differ significantly across countries and feedstock crops....

The biodiesel industry in the United States has realized significant growth over the past decade through large increases in annual production and production capacity and a transition from smaller batch plants to larger-scale continuous producers. The larger, continuous-flow plants provide...

Pecans (Carya Illinoinensis [Wangenh] K. Koch) are a native food of North America andrepresent a high economic crop value in the north of Mexico, mainly in the state of Chihuahua,the biggest pecan nut producer in this country. The goal of this study was to evaluate theprofitability of pecan...