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Articles 1 - 19 of 19
Full-Text Articles in Social and Behavioral Sciences
Fisheries In Sundarbans: Problems And Prospects, Ganesh Chandra, R L. Sagar
Fisheries In Sundarbans: Problems And Prospects, Ganesh Chandra, R L. Sagar
Ganesh Chandra
Sundarbans, the largest delta on the planet earth is famous for its marine and estuarine fish resources. A large population is dependent on fishery activity and capture fisheries is treated as the backbone of Sundarban economy. Sundarban boast around 172 species of fishes, 20 species of prawn and 44 species of crabs including two edible crabs. But fisheries in Sundarbans faces some difficult problems which have an impact on the biodiversity, sustainability and livelihood of fish resources and fisher folk viz. shrinking tiger prawn population, indiscriminate fish seed collection, lack of post harvest and other infrastructures, natural calamities such as …
Quelques Conseils À Nos Nouveau Diplomés, Fathi Habashi
Quelques Conseils À Nos Nouveau Diplomés, Fathi Habashi
Fathi Habashi
An advice, the old wise man Polonius offered to the young Hamlet was “Neither a borrower, nor a lender be”, may be no longer pertinent. Some more relevant advices are offered to new graduates of the twentieth century. Available in English, French, and Spanish
Effect Of Fermentation On The Quality Characteristics Of Nixtamalized Corn, Emmanuel Ohene Afoakwa, Samuel Sefa-Dedeh, Beatrice Cornelius
Effect Of Fermentation On The Quality Characteristics Of Nixtamalized Corn, Emmanuel Ohene Afoakwa, Samuel Sefa-Dedeh, Beatrice Cornelius
Professor Emmanuel Ohene Afoakwa
Spontaneous lactic acid fermentation is an important process in cereal processing. It is applied to develop and enhance taste and flavour, modify texture and improve the microbial safety of foods. When applied to nixtamalized corn mixed with traditional steeped corn it is expected to further improve the functionality, improve nutritional quality and provide an alternative corn-based ingredient. The objective of this study was to investigate the chemical and functional properties of fermented blends of steeped and nixtamalized corn. A 3_5 factorial experimental design with fermentation time (0, 24, 48 h) and blends composition (0:100, 25:75, 50:50, 75:25, 100:0 steeped:nixtamalized corn) …
Application Of Response Surface Methodology For Studying The Quality Characteristics Of Cowpea-Fortified Nixtamalized Maize, Samuel Sefa-Dedeh, Beatrice Cornelius, Esther Sakyi-Dawson, Emmanuel Ohene Afoakwa
Application Of Response Surface Methodology For Studying The Quality Characteristics Of Cowpea-Fortified Nixtamalized Maize, Samuel Sefa-Dedeh, Beatrice Cornelius, Esther Sakyi-Dawson, Emmanuel Ohene Afoakwa
Professor Emmanuel Ohene Afoakwa
Studies were conducted on the chemical and functional properties of fermented cowpea-fortified nixtamalized maize using response surface methodology. The central composite rotatable design for Ks3 was used to study the combined effect of lime concentration (0–1%), moisture content (55–65%) and cowpea level (0–30%) on pH, titratable acidity, water absorption, protein and viscosity of fermented nixtamalized maize. Regression models were developed to predict the variables. The presence of lime and cowpea influenced the pH, titratable acidity, water absorption, protein content and the cooked paste viscosity of the fermented cowpea-fortified maize. The presence of lime during fermentation generally decreased titratable acidity, water …
Regulating Illicit Trade In Natural Resources: The Role Of Regional Actors In West Africa, Emmanuel Aning
Regulating Illicit Trade In Natural Resources: The Role Of Regional Actors In West Africa, Emmanuel Aning
Emmanuel Kwesi Aning
This article explores the multiple efforts that have been initiated by regional actors in West Africa, mainly ECOWAS, to regulate the illicit trade in natural resources in the context of armed conflicts. It then examines the behaviour of 'spoilers' who are able to circumvent the sanctions regime and governments' domestic regulation. The paper argues that the characteristics and multiple dynamics of the armed conflicts in West Africa have created specific opportunities for economic activities in a thriving parallel economy through the 'illicit' trade in natural resources.
Comparison Of Four Analytical Methods For The Determination Of Peroxide Value In Oxidized Soybean Oils, Gulgun (Yildiz) Tiryaki
Comparison Of Four Analytical Methods For The Determination Of Peroxide Value In Oxidized Soybean Oils, Gulgun (Yildiz) Tiryaki
Dr. Gülgün YILDIZ TIRYAKI
No abstract provided.
From Alchemy To Atomic Bombs. Book Review By George Kauffman, Fathi Habashi
From Alchemy To Atomic Bombs. Book Review By George Kauffman, Fathi Habashi
Fathi Habashi
Review of the book "From Alchemy to Atomic Bombs" by Fathi Habashi published by Métallurgie Extractive Québec. The review is written by Professor George Kauffman at California State University, Fresno.
Environmental Perceptions And Environmental Reality: When More Is Less, Philip E. Graves
Environmental Perceptions And Environmental Reality: When More Is Less, Philip E. Graves
PHILIP E GRAVES
There is no abstract for this article.
Non-Optimal Levels Of Suburbanization, Philip E. Graves
Non-Optimal Levels Of Suburbanization, Philip E. Graves
PHILIP E GRAVES
Suburbanization has many causes, among which is the attempt to relocate to acquire a more desirable vector of local public goods. The traditional economists' procedure for valuing public goods involves vertical aggregation of marginal willingness to pay, at a given income level. This approach is flawed by failing to recognize that individuals will not work for goods that cannot be acquired individually with higher incomes. There will be a parallel input market failure any time there is a public good output market failure, thus the `given income' of the traditional valuation method is too low. Hence, traditional valuation methods result …
I Don't Know, Philip E. Graves
I Don't Know, Philip E. Graves
PHILIP E GRAVES
This is a non-fiction novel, titled I Don't Know. I is in three parts, the first economic (which will seem "liberal" to most), the second political (which will seem "conservative" to most), and the third theological (which will seem weird to most). I think you will find it a fun read, and feel free to distribute it at will.
Market Transparency And Market Structure: The Livestock Mandatory Reporting Act Of 1999, Azzeddine Azzam
Market Transparency And Market Structure: The Livestock Mandatory Reporting Act Of 1999, Azzeddine Azzam
Azzeddine Azzam
The premise of the Livestock Mandatory Reporting Act of 1999 is that enhanced transparency promotes competition. This article provides a theoretical study of the consequences of such transparency for the structure, conduct, and performance of the livestock industry. I conclude that the usefulness of the Act to the livestock industry may not be in the value of reported information to feeders, as the supporters of the Act claim. Rather, by forcing packers to pool information at negligible marginal cost, the Act may foster more competitive conduct in the procurement of livestock.
Why Model Landscapes At The Level Of Households And Fields?, Jerome K. Vanclay
Why Model Landscapes At The Level Of Households And Fields?, Jerome K. Vanclay
Professor Jerome K Vanclay
Sustainable resource management relies upon many disciplines and deals with complex interactions at the landscape scale. Many of the issues at the landscape scale arise from decisions taken at the household level and affect land use in fields and in small patches of forest. Spatially-explicit modelling of these units is desirable because it enables rigorous testing of model predictions, and thus of underlying propositions. The greatest insights may be obtained by participatory modelling of these processes as we understand them. Despite this, few models simulate dynamics at the household and field level. FLORES, the Forest Land Oriented Resource Envisioning System, …
Protecting Forests Through Farming: A Dynamic Model Of Nontimber Forest Extraction, Ujjayant N. Chakravorty, Herath Gunatileke
Protecting Forests Through Farming: A Dynamic Model Of Nontimber Forest Extraction, Ujjayant N. Chakravorty, Herath Gunatileke
Ujjayant Chakravorty
Forest resource extraction by local communities has been cited as a major impediment to the efficient management of protected forests. This paper develops a two sector dynamic model for farming and forest resource extraction by communities living in the forest periphery. The model assumes that land under forestry is constant and households allocate their time to farming and forestry. Comparative dynamic results suggest that higher prices for agriculture output, lower input prices, better knowledge of farming techniques and a lower discount rate may result in a higher equilibrium stock of forest resources. Tobit analysis with primary data collected from the …
Efficiency And Technical Change In The Philippine Rice Sector: A Malmquist Total Factor Productivity Analysis, Ujjayant N. Chakravorty, Chieko Umetsu, Thamana Lekprichakul
Efficiency And Technical Change In The Philippine Rice Sector: A Malmquist Total Factor Productivity Analysis, Ujjayant N. Chakravorty, Chieko Umetsu, Thamana Lekprichakul
Ujjayant Chakravorty
Regional differences in total factor productivity, efficiency, and technological change in the Philippine rice sector are examined for the post-Green Revolution era. Malmquist productivity indices were constructed for 1971-90 and were decomposed into efficiency and technological change. The average annual Malmquist productivity growth was only slightly positive. Productivity growth was negative during the early 1970s, and was followed by a period of positive growth. Growth was negative again in the late 1980s. The period of positive growth coincided with the introduction of new rice varieties while the declines are likely to have been caused by intensification of rice production in …
Basinwide Water Management: A Spatial Model, Ujjayant N. Chakravorty, Chieko Umetsu
Basinwide Water Management: A Spatial Model, Ujjayant N. Chakravorty, Chieko Umetsu
Ujjayant Chakravorty
This paper develops a spatial model for a water basin that allows for surface water allocation and reuse of the water that is lost. The analytical solution suggests specialization of production over space—upstream farmers use canal water and downstream farmers pump groundwater that is lost upstream. Groundwater emerges as an endogenous ‘‘backstop’’. The empirical results suggest that when traditional conservation technologies are used, optimization over the entire basin leads to a significant increase in aggregate output, project area and water use. Somewhat counter-intuitively, rents from water decrease if farmers switch from traditional to modern irrigation technology.
Technical Efficiency Of The Danish Trawl Fleet: Are The Industrial Vessels Better Than Others?, Niels Vestergaard, Dale Squires, Frank Jensen, Jesper Levring Andersen
Technical Efficiency Of The Danish Trawl Fleet: Are The Industrial Vessels Better Than Others?, Niels Vestergaard, Dale Squires, Frank Jensen, Jesper Levring Andersen
Niels Vestergaard
Technical efficiency in the Danish trawl fishery in the North Sea is estimated for 1997-1998 with a stochastic production frontier model. This model allows for both technical efficiency and a stochastic environment. The results show that the production frontier can be modelled by a translog function with time effects and a technical inefficiency function. The type of fishery (industrial or consumption) and size of vessel give a good explanation for the inefficiency of the fleet. The average technical efficiency is estimated to be 0.80. On avrage, industrial vessels have a higher technical efficiency than human consumption vessels, and smaller industrial …
The Travel Cost Model, George R. Parsons
Measuring The Economic Benefits Of Water Quality Improvements To Recreational Users In Six Northeastern States: An Application Of The Random Utility Maximization Model, George R. Parsons, Eric C. Helm, Tim Bondelid
Measuring The Economic Benefits Of Water Quality Improvements To Recreational Users In Six Northeastern States: An Application Of The Random Utility Maximization Model, George R. Parsons, Eric C. Helm, Tim Bondelid
George Parsons
An Economic Analysis Of Occupational Diversification Among Households In Andhra Pradesh, A Amarender Reddy
An Economic Analysis Of Occupational Diversification Among Households In Andhra Pradesh, A Amarender Reddy
A Amarender Reddy
The study examined occupational diversification among rural households in Andhra Pradesh. The specific objectives of the study are: (i) To examine the occupational structure of households in different regions of rural Andhra Pradesh (ii) To assess the level of unemployment, underemployment and poverty in different categories of households (iii) To find out various socio-economic factors affecting employment pattern in different regions and among households, and (iv) To suggest policy measures to reduce unemployment and underemployment. The study is based on National Sample Survey Organisation (NSSO) unit household data from its 50th and 55th rounds on employment and unemployment surveys for …