文件与报告库

On the provision of extension services in Third World agriculture (英语)

Extension services in agriculture aim to assist the spread of innovations throughout the region in which they operate. An important issue in deciding how to make such services more cost-effective is to...

Evaluating research system performance and targeting research in land abundant areas of sub-Saharan Africa (英语)

This note provides a simple conceptual framework to measure the benefits one should expect from various types of agricultural innovations under different factor scarcity regimes. The framework is based...

From land - abundance to land - scarcity : the effects of population growth on production relations in agrarian economies (英语)

The purpose of this paper is to account for the changes in the diverse set of production relations characterizing agragrian economies which are induced by increases in population growth. This study pays...

The evolution of farming systems and agricultural technology in sub-Saharan Africa (英语)

The evolution of farming systems and agricultural technology in sub - Saharan Africa stems from a combination of innovations from farmers, science and industry which have culminated in agricultural intensification...

Population density and farming systems : the changing focus of innovations and technical change (英语)

Rapid population growth since the turn of the century has led to an exhaustion of the land frontier in most countries across the world causing a decline in arable land per capita. Traditional societies...

The role of public policy in the diffusion of new agricultural technology (英语)

The generation of new technology is a necessary, but not sufficient condition for increased farm productivity with given natural resources. In the short-run, it is not even a necessary condition, if there...

Population density and agricultural intensification : a study of the evolution of technologies in tropical agriculture (英语)

In this paper we describe, in a highly stylized fashion, the process by which agricultural societies have traditionally coped with increasing population densities. We explore the impact of population densities...

Distributional consequences of alternative food policies in India (英语)

Food policy interventions such as food aid, supply oriented interventions or ration shops alter the balance of supply and demand for food and can therefore be expected to affect food prices unless they...

Aspects of the training and visit system of agricultural extension in India : a comparative analysis (英语)

Recognizing the importance of providing any discussion of the strengths and weaknesses of the T & V system of agricultural extension with firm empirical foundations, this paper draws extensively on evidence...

The distribution of income in India's Northern wheat region (英语)

The paper concludes with tentative results on large farmers, landless workers and landowners of various types of scenarios involving income effects of food price changes, food aid, reduced population growth...

Factor gains and losses in the Indian semi-arid tropics : a didactic approach to modeling the agricultural sector (英语)

The principal purpose of this paper is to empirically implement a model, first developed in Quizon and Binswanger which attempts to determine the impact of technical change and exogenous shifts in output...

Behavioral and material determinants of production relations in land abundant tropical agriculture (英语)

What are the behavioral and material determinants of production relations in land abundant agriculture and can they be analyzed in a similar way to those present in land-scarce areas? The paper argues...

Factor costs, income and supply shares in Indian agriculture (英语)

The nutritional impact of food aid : criteria for the selection of cost - effective foods (英语)

The purpose of this discussion paper is to examine perceptions about the effects of food aid and to suggest appropriate criteria for the selection of commodities to be used in food aid programs. The paper...

Population density, farming intensity, patterns of labor use and mechanization (英语)

This paper examines the relationship between farming intensity, labor use, and the level of mechanization. Using data from 53 specific locations in Africa, Asia, and Latin America, this paper provides...

Agricultural prices in China (英语)

This paper describes the major features of China's agricultural pricing system as they have evolved since l949, but focuses on adjustments in the 1976-82 period. The institutional setting for price policy...

A social methodology for community participation in local investments : the experience of Mexico's PIDER program (西班牙语)

The PIDER rural development program in Mexico has carried out a large-scale effort for the social engineering of beneficiary participation. This paper outlines the history and experiences involved in building...

Nutritional impact of agricultural projects : a conceptual framework for modifying the design and implementation of projects (英语)

Project food aid and equitable growth : income-transfer efficiency first (英语)

More effective aid to the world's poor and hungry : a fresh look at United States Public Law 480, Title II Food Aid (英语)

Food aid to foreign countries has long enjoyed broad-based bi-partisan support in the United States. While many domestic and foreign programs are being scrutinized and restructured by the current Administration...